PHY 111 PART 1 FINAL EXAM
A .25 kg ball with moving speed at 12 m/s is stuck and brought to a stop in a time of .3 s the use
of a mean pressure F. Find the average pressure required to prevent the ball. - ANS-10 N
(examine notes)
A 12 kg field and a 8 kg box are tied collectively and located on a frictionless floor. A 2d string is
hooked up to the 12 kg box and a horizontal force of 10 N is carried out to the second one
string. Find the acceleration of the eight kg container. - ANS-.5 m/s2
A 14 kg box and 6 kg field are tied collectively and located on a frictionless surface. A 2d string
is attached to the 14 kg field and a horizontal pressure of 10 N is applied to the second string.
Find the anxiety in the string among the two containers. - ANS-three N (LOOK AT NOTES)
A 3 kg cart is moving at 2.5 m/s collides with and sticks to a 2 kg cart initially at rest. Find the
rate of the cart after the collision. - ANS-1.5 m/s (LOOK AT NOTES)
A 300 N signal is placing in two wires each making an perspective of 55 levels with the vertical.
What is the horizontal factor of the anxiety of the left cable? LOOK AT NOTES FOR IMAGE -
ANS-214.2 N(LOOK AT NOTES FOR WORK)
A 4 kg cart moving at 2.5 m/s collides with and sticks to a 1 kg cart first of all at relaxation. Find
the speed of the carts after the collision. - ANS-2 m/s
A forty N force and a 30 N pressure are performing simultaneously on a five kg field. Which of
the subsequent is not a probable acceleration of the field? - ANS-1 m/s (LOOK AT NOTES)
A 60 kg astronaut is space waling outside the gap pill and is stationary while the tether line
breaks. As a method of returning to the pill he have to throw his 2 kg area hammer at a positive
speed opposite the gap capsule. At what velocity does the astronaut need to throw the hammer
to move back to the capsule at .Five ms? - ANS-15 m/s (LOOK AT NOTES)
A six hundred N folks stands on a scale in an elevator. When the elevator is accelerating
upward the scale will show: - ANS-extra than 600N
A ball is launched at a velocity of v and an angle of 35 tiers from horizontal. IF identical balls are
launched with the same speed, however at exclusive angles, which of the following might land
the closest to the primary ball? (Ignore air resistance) - ANS-A ball launched at fifty five levels
from the horizontal.
, A ball is thrown into the air at a few perspective between 10 and eighty tiers. At the very top of
the direction, the horizontal element of acceleration is: - ANS-zero/ best vertical acceleration
(9.81) no horizontal acceleration
A ball is thrown upward at a pace of 25 m/s. Approximately how lengthy will it take the ball to
return to its place to begin? - ANS-five s
A ball with mass m moving at a speed v is stuck and brought to a forestall over a distance d
using an average pressure F. The impulse at the ball while it is stopping is - ANS-mv
A basketball is thrown for a three point attempt. Where in its direction does the basketball have
the smallest speed (Ignore air resistance) - ANS-At the best point.
A boat is moving across a one hundred m extensive river in this type of manner as to land
without delay throughout its starting. The boat has a velocity relative to the water of 10 m/s and
the current inside the river is 4 m/s . How long will it take the boat to pass the river? -
ANS-greater than 10 seconds
A boat is moving to a point immediately throughout a 100 m wide river. If the boat is shifting at
10 m/s relative to the water, how lengthy will it take the boat to pass the river if the river is
flowing 5 m/s perpendicular to the boat? (Look at notes for photo) - ANS-more than ten seconds
A boat travels 250 km west on a lake. Upon reaching 250 km, it immediately turns proper to go
one hundred twenty five km North to stop and dock. What is the ensuing displacement from
wherein the boat commenced to its dock? - ANS-280 km, 27degrees north of west. (LOOK AT
NOTES FOR WORK)
A box with a mass of m sits on a frictionless inclined aircraft at an perspective of 36 tiers. At
what acceleration does the block slide down the aircraft? Assume down the aircraft is the
advantageous course. - ANS-5.77 m/s (LOOK AT WORK)
A vehicle quickens uniformly from rest to a speed of 24 m/s in 6.0 seconds. How a ways does
the automobile journey within the first 4 seconds? - ANS-32 m (study notes)
A vehicle is first discovered going 20 m/s east. Then five seconds later, the same car is
observed going 15 m/s north. What is the direction of the common acceleration of the car during
the five 2d c programming language? - ANS-Northwest (LOOK AT NOTES FOR WORK)
A vehicle travels 30 miles in 1 hr on a winding mountain avenue. Which of the subsequent is a
true declaration? - ANS-The value of the common speed is much less than to 30 mph.
A hooke's regulation spring is compressed a distance d and is used to release a mass m
vertically to a height h above its starting role. Under the identical oppression d, the spring is now
A .25 kg ball with moving speed at 12 m/s is stuck and brought to a stop in a time of .3 s the use
of a mean pressure F. Find the average pressure required to prevent the ball. - ANS-10 N
(examine notes)
A 12 kg field and a 8 kg box are tied collectively and located on a frictionless floor. A 2d string is
hooked up to the 12 kg box and a horizontal force of 10 N is carried out to the second one
string. Find the acceleration of the eight kg container. - ANS-.5 m/s2
A 14 kg box and 6 kg field are tied collectively and located on a frictionless surface. A 2d string
is attached to the 14 kg field and a horizontal pressure of 10 N is applied to the second string.
Find the anxiety in the string among the two containers. - ANS-three N (LOOK AT NOTES)
A 3 kg cart is moving at 2.5 m/s collides with and sticks to a 2 kg cart initially at rest. Find the
rate of the cart after the collision. - ANS-1.5 m/s (LOOK AT NOTES)
A 300 N signal is placing in two wires each making an perspective of 55 levels with the vertical.
What is the horizontal factor of the anxiety of the left cable? LOOK AT NOTES FOR IMAGE -
ANS-214.2 N(LOOK AT NOTES FOR WORK)
A 4 kg cart moving at 2.5 m/s collides with and sticks to a 1 kg cart first of all at relaxation. Find
the speed of the carts after the collision. - ANS-2 m/s
A forty N force and a 30 N pressure are performing simultaneously on a five kg field. Which of
the subsequent is not a probable acceleration of the field? - ANS-1 m/s (LOOK AT NOTES)
A 60 kg astronaut is space waling outside the gap pill and is stationary while the tether line
breaks. As a method of returning to the pill he have to throw his 2 kg area hammer at a positive
speed opposite the gap capsule. At what velocity does the astronaut need to throw the hammer
to move back to the capsule at .Five ms? - ANS-15 m/s (LOOK AT NOTES)
A six hundred N folks stands on a scale in an elevator. When the elevator is accelerating
upward the scale will show: - ANS-extra than 600N
A ball is launched at a velocity of v and an angle of 35 tiers from horizontal. IF identical balls are
launched with the same speed, however at exclusive angles, which of the following might land
the closest to the primary ball? (Ignore air resistance) - ANS-A ball launched at fifty five levels
from the horizontal.
, A ball is thrown into the air at a few perspective between 10 and eighty tiers. At the very top of
the direction, the horizontal element of acceleration is: - ANS-zero/ best vertical acceleration
(9.81) no horizontal acceleration
A ball is thrown upward at a pace of 25 m/s. Approximately how lengthy will it take the ball to
return to its place to begin? - ANS-five s
A ball with mass m moving at a speed v is stuck and brought to a forestall over a distance d
using an average pressure F. The impulse at the ball while it is stopping is - ANS-mv
A basketball is thrown for a three point attempt. Where in its direction does the basketball have
the smallest speed (Ignore air resistance) - ANS-At the best point.
A boat is moving across a one hundred m extensive river in this type of manner as to land
without delay throughout its starting. The boat has a velocity relative to the water of 10 m/s and
the current inside the river is 4 m/s . How long will it take the boat to pass the river? -
ANS-greater than 10 seconds
A boat is moving to a point immediately throughout a 100 m wide river. If the boat is shifting at
10 m/s relative to the water, how lengthy will it take the boat to pass the river if the river is
flowing 5 m/s perpendicular to the boat? (Look at notes for photo) - ANS-more than ten seconds
A boat travels 250 km west on a lake. Upon reaching 250 km, it immediately turns proper to go
one hundred twenty five km North to stop and dock. What is the ensuing displacement from
wherein the boat commenced to its dock? - ANS-280 km, 27degrees north of west. (LOOK AT
NOTES FOR WORK)
A box with a mass of m sits on a frictionless inclined aircraft at an perspective of 36 tiers. At
what acceleration does the block slide down the aircraft? Assume down the aircraft is the
advantageous course. - ANS-5.77 m/s (LOOK AT WORK)
A vehicle quickens uniformly from rest to a speed of 24 m/s in 6.0 seconds. How a ways does
the automobile journey within the first 4 seconds? - ANS-32 m (study notes)
A vehicle is first discovered going 20 m/s east. Then five seconds later, the same car is
observed going 15 m/s north. What is the direction of the common acceleration of the car during
the five 2d c programming language? - ANS-Northwest (LOOK AT NOTES FOR WORK)
A vehicle travels 30 miles in 1 hr on a winding mountain avenue. Which of the subsequent is a
true declaration? - ANS-The value of the common speed is much less than to 30 mph.
A hooke's regulation spring is compressed a distance d and is used to release a mass m
vertically to a height h above its starting role. Under the identical oppression d, the spring is now
