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024
This time particle A starts from rest and accelerates to the right at 73.8 cm/s^2 Particle B starts 364 cm down the track and moves at
a constant velocity of 40.3 cm/s to the left.
When will...

020 (part 1 of 2)
On March 19, 1954, Colonel John P. Stapp,
USAF, attained the world speed record in
a rocket-propelled sled that moved down the
track at 632 mi/h. He and the sled were safely...

018 (part 1 of 2)
A small first-aid kit is dropped by a rock
climber who is descending steadily at 2.1 m/s.
After 4.1 s, what is the velocity of the
first-aid kit? The acceleration of gravity is...

016 (part 1 of 2)
Two particles moving along parallel paths in
the same direction pass the same point at the
same time. Particle A has an initial velocity
of 8.7 m/s and an acceleration of 1.2...

014 (part 1 of 2)
A speeder passes a parked police car at 25.9
m/s. Instantaneously, the police car starts
from rest with a uniform acceleration of 2.48
m/s^2
How much time pases before the...

13) A train is moving parallel and adjacent to a
highway with a constant speed of 27 m/s. Initially a car is 41 m behind the train, traveling
in the same direction as the train at 39 m/s
and...

12)A car traveling with a velocity of 24 m/s is
accelerated uniformly at 1.8 m/s^2 for 6.3 s.
What is its final velocity?
Answer in units of m/s

11)The barrel of a rifle has a length of 0.847 m. A
bullet leaves the muzzle of a rifle with a speed
of 569 m/s.
What is the acceleration of the bullet while
in the barrel? A bullet in a rifle...

10) An object moving on the x axis with a constant acceleration increases its x coordinate
by 239 m in a time of 1.67 s and has a velocity
of 20 m/s at the end of this time.
Determine the...

9) A car, moving along a straight stretch of highway, begins to accelerate at 0.0153 m/s^2
It takes the car 29.2 s to cover 1 km.
How fast was the car going when it first
began to accelerate?...

8) An automobile traveling along a straight road
Increases its speed from 37 ft/s to 51 ft/s in
180 ft.
If the acceleration is constant, how much
Time elapses while the auto moves the 180 ft?...

6) A baseball goes from zero to 31 m/s in 0.189 s.
What is its average acceleration?
Answer in units of m/s2

5)A car is moving at a constant speed of 11 m/s
when the driver presses down on the gas pedal
and accelerates for 14 s with an acceleration
of 1.1 m/s^2
.
What is the average speed of the car...

001 (part 1 of 3)
A rocket-driven sled running on a straight,
level track has been used to study the physiological effects of large accelerations on astronauts. One such sled can attain a speed of...

1) A rocket-driven sled running on a straight,
level track has been used to study the physiological effects of large accelerations on astronauts. One such sled can attain a speed of
419 m/s in 1.6 s...

A speedy tortoise can run at 0.09 m/s, and a
Hare can run 15 times as fast. In a race, they
Start at the same time, but the hare stops to
Rest for 2.4 min, so the tortoise wins by a shell
(20...

Two cars travel in the same direction along a
Straight highway, one at a constant speed of
53 mi/h and the other at 77 mi/h.
Assuming they start at the same point, how
Much sooner does the faster...

One swimmer in a relay race has a 0.50 s
Lead and is swimming at a constant speed of
4.26 m/s. The swimmer has 59.7 m to swim
Before reaching the end of the pool. A second
Swimmer moves in the...

A reconnaissance plane flies 589 km away from
Its base at 764 m/s, then flies back to its base
At 1146 m/s.
What is its average speed?
Answer in units of m/s