AND ANSWERS 100% VERIFIED.
Which of the following is a fundamental unit?
a. half-life
b. life span
c. speed
d. length - correct answer
d. length
1 meter is approximately 1 yard
a. true
b. false - correct answer
b. false
A vehicle is traveling at 50.0 mph. What is the speed in m/s? -
correct answer
22.4 m/s
A child riding a bicycle travels 6.75 miles in 35.0 minutes. What
is the child's average speed in mph? - correct answer
11.6 mph
The "change in" of a quantity, symbolized by the Greek capital
Delta, is defined as:
a. final - initial
,b. initial - final
c. initial + final
d. final + initial - correct answer
a. final - initial
The graph of which two quantities represents Velocity?
a. acceleration versus position
b. velocity versus position
c. acceleration versus velocity
d. position versus time
e. acceleration versus time
f. velocity versus time - correct answer
d. position versus time
You can calculate the average acceleration using any two points
on a velocity-time graph.
a. True
b. False - correct answer
a. True
The graph of which two quantities represents Acceleration?
a. acceleration versus position
b. velocity versus position
c. acceleration versus velocity
d. position versus time
e. acceleration versus time
f. velocity versus time - correct answer
f. velocity versus time
, A drag racing car crosses the starting line at 1.70 mph and
accelerates at a rate of 16.0 mph/s for 3.34 seconds. Determine
the final speed of the car in mph. - correct answer
55.1 mph
Determine the speed, in m/s, of an object undergoing Free Fall
after 82.5 meters, assuming the object starts at rest. - correct
answer
40.2 m/s
Name the astronaut that carried out the novel experiment
demonstrating Galileo's concept of Free Fall on world-wide
television using a hammer and a feather.
a. Neil Armstrong
b. David Scott
c. James Lovell
d. Buzz Aldrin - correct answer
b. David Scott
The gravitational acceleration of any object is 9.81 m/s/s
a. True
b. False - correct answer
b. False
When braking with constant acceleration, the vehicle achieves
half the initial speed in 1/2 the stopping distance.
a. True