PHY 250 ALL EXAM
PHY 250 ALL EXAM
PHY 250 ALL EXAM PHY 250 ALL EXAM
Question The pilot of a spacecraft moving horizontally at 10 m / s notices that the hailstones going past
the port window makes an angle of 45° with the downward vertical. What is the speed of the
hailstones with respect to the ground, assuming that there is no wind?
Not answered
Points out of Select one:
6.00
a. 10 m / s
b. 14 m / s
c. 20 m / s
d. 21 m / s
The correct answer is: 10 m / s
1 of 15 9/26/2017, 6:29
, PHY 250 ALL EXAM
PHY 250 ALL EXAM
Question A mass of 4.3 kg is accelerated to 6.0 m / s2 when a force of magnitude F is applied to it. If the
same force is applied to a mass of 0.5 kg, what is the acceleration of this mass?
Not answered
Select one:
Points out of
a. 25.8 m / s2
6.00
b. 12.9 m / s2
c. 6 m / s2
d. 51.6 m / s2
The correct answer is: 51.6 m / s2
Question Two vectors can be added graphically by .
Select one:
Not answered
a. adding their magnitudes
Points out of
6.00
b. adding them tip to tip
c. adding them tip to tail
d. adding them tail to tail
The correct answer is: adding them tip to tail
Question
Not answered
Points out of
Select one:
6.00
a.
b.
c.
d.
The correct answer is:
2 of 15 9/26/2017, 6:29
, PHY 250 ALL EXAM
PHY 250 ALL EXAM
Question
Not answered
Select one:
Points out of
6.00
a.
b.
c.
d.
The correct answer is:
3 of 15 9/26/2017, 6:29
, PHY 250 ALL EXAM
PHY 250 ALL EXAM
Question Imagine that you push down on an object that is sitting on a frictionless table. Which of the
following diagrams includes all the forces acting on the object?
Not answered
Points out of
6.00
Select one:
a.
b.
c.
4 of 15 9/26/2017, 6:29
PHY 250 ALL EXAM
PHY 250 ALL EXAM PHY 250 ALL EXAM
Question The pilot of a spacecraft moving horizontally at 10 m / s notices that the hailstones going past
the port window makes an angle of 45° with the downward vertical. What is the speed of the
hailstones with respect to the ground, assuming that there is no wind?
Not answered
Points out of Select one:
6.00
a. 10 m / s
b. 14 m / s
c. 20 m / s
d. 21 m / s
The correct answer is: 10 m / s
1 of 15 9/26/2017, 6:29
, PHY 250 ALL EXAM
PHY 250 ALL EXAM
Question A mass of 4.3 kg is accelerated to 6.0 m / s2 when a force of magnitude F is applied to it. If the
same force is applied to a mass of 0.5 kg, what is the acceleration of this mass?
Not answered
Select one:
Points out of
a. 25.8 m / s2
6.00
b. 12.9 m / s2
c. 6 m / s2
d. 51.6 m / s2
The correct answer is: 51.6 m / s2
Question Two vectors can be added graphically by .
Select one:
Not answered
a. adding their magnitudes
Points out of
6.00
b. adding them tip to tip
c. adding them tip to tail
d. adding them tail to tail
The correct answer is: adding them tip to tail
Question
Not answered
Points out of
Select one:
6.00
a.
b.
c.
d.
The correct answer is:
2 of 15 9/26/2017, 6:29
, PHY 250 ALL EXAM
PHY 250 ALL EXAM
Question
Not answered
Select one:
Points out of
6.00
a.
b.
c.
d.
The correct answer is:
3 of 15 9/26/2017, 6:29
, PHY 250 ALL EXAM
PHY 250 ALL EXAM
Question Imagine that you push down on an object that is sitting on a frictionless table. Which of the
following diagrams includes all the forces acting on the object?
Not answered
Points out of
6.00
Select one:
a.
b.
c.
4 of 15 9/26/2017, 6:29
