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Acceleration
Page 6
Questions (1,727)
in 5 seconds, a car moving in a straight line increases it's speed from 50km/h to 65km/h, while a truck goes from rest to 15km/h
4 answers
asked by
Drew
1,482 views
An object moves across a straight line so that after t seconds, is distance from its starting point is: D(t)=t^3 - 12t^2 + 100t
3 answers
asked by
becky
824 views
While driving a sports car 20 m/s down a four-lane highway, a driver comes up behind a slow-moving dump truck and decides to
3 answers
asked by
GUCCI
479 views
When a baseball is thrown straight upward, what is its acceleration at its greatest height?
a. 9.8 m/s2 upward b. 9.8 m/s2
3 answers
asked by
MM
2,109 views
1. The position of a particle is given by x= At2 + Beαt, the particle is initially at x = -2.0m with v = 4.0 m/s at t = 0s.
4 answers
asked by
eduardo
637 views
A motorcyclist changes the velocity of his bike from 20.0 meters/second to 35.0 meters/second under a constant acceleration of
4 answers
asked by
andrea
1,720 views
A dragster's top acceleration is 60m/s^2. If it accelerates for 3 seconds from the starting line, how fast will it be going?
4 answers
asked by
Help please!
1,847 views
a cyclist accelerates at a rate of 7.0m/s^2. how long will it take the cyclist to reach a speed of 18m/s? my answer is
4 answers
asked by
taylor
1,280 views
Assume that an MX missile goes from rest to a suborbital velocity of 4.50 km/s in 30.0 s (the actual speed and time are
4 answers
asked by
Melissa
1,191 views
A 59-kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and
4 answers
asked by
matt
1,513 views
A bear running initial speed of 4m/s accelerates uniformly for 18s. What is the bears max speed if it travels 135m during the
3 answers
asked by
Me
847 views
To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required for the takeoff, the
4 answers
asked by
JD
3,422 views
Which of the following statements about acceleration is true. Acceleration is:
A) time/ velocity B) force/ time C) the rate of
3 answers
asked by
Danny
1,753 views
a bicyclist accelerates at 0.89m/s squared during a 5.0 s interval. What is the change in speed of the bicyclist and the
3 answers
asked by
Anonymous
2,103 views
The speed limit on a particular freeway is 28.0 m/s (about 101 km/hour). A car that is merging onto the freeway is capable of
4 answers
asked by
Jane
2,040 views
A bicyclist starts a timed race at 6 mph In order to win, he must average 21 mph Assuming constant acceleration from the start,
3 answers
asked by
anonymous
1,481 views
a car travels along a highway with a velocity of 24m/s, west. then exits the highway and 4s later, its instantaneous velocity is
3 answers
asked by
linda
1,548 views
the solid fuel rocket boosters used to launch the space shuttle are able to lift the shuttle 45 kilometers above earths surface.
4 answers
asked by
NoNo100
1,082 views
A block with a mass of 55 kg is pulled with a force of 220 N. Assuming a frictionless surface, what will be the acceleration of
3 answers
asked by
love o
162 views
A car starts from rest on a circular curve with a radius of 120 m and accelerates tangentially at 1.0 m/s2
. Through what angle
2 answers
asked by
Sibahle
580 views
Two rockets with the same mass are. Accelerated. Rocket A accelerates twice as fast as Rocket B. Which statement is correct?
The
4 answers
asked by
Ashley
721 views
Find the magnitude of a particle's acceleration vector at t = 1 for a particle moving with position vector r(t)=(2t^2,4t^2-t^3)
a
4 answers
asked by
Alice
2,122 views
An electron is acted upon by a force of 7.00×10−15 N due to an electric field. Find the acceleration this force produces in
3 answers
asked by
SAM
1,693 views
A ball is dropped from a building, after 2 sec another ball is thrown downward. After 6 sec the second ball overtook the first
3 answers
asked by
Heeelp
559 views
a typical person can tolerate an acceleration of about -49m/s2 (forward). If you are travelling at 110km/h and have a collison
3 answers
asked by
nessa
688 views
You're on a skateboard, moving very fast but at a constant speed. Are you accelerating? Explain.
Lara Claims that if an object is
4 answers
asked by
Anonymous
2,117 views
After a day of testing race cars, you decide to take your own 1570 kg car onto the test track. While moving down the track at
3 answers
asked by
Anonymous
488 views
An aircraft starts from rest and accelerates at 42.5m/s^2 until it takes off at the end of the runway. How long will it take the
3 answers
asked by
alex
1,183 views
A student moves a box of books down the hall
by pulling on a rope attached to the box. The student pulls with a force of 173 N at
4 answers
asked by
scott
1,856 views
The bunny is initially hopping east at 7 m/s when it first sees the fox. Over the next half second the bunny changes its
3 answers
asked by
Nellie
1,601 views
A car accelerates from rest at a steady rate of 1 ms-2. Calculate:
(a) the time taken to reach 15 ms-1 (b) the distance travelled
3 answers
asked by
LK
1,033 views
how long does a car with an acceleration of 2.0 m/s^2 take to go from 10m/s to 30m/s?
4 answers
asked by
ricajane
889 views
a car accelerates along a straight road from the rest to 90 km/h in 5 s what is the magnitude of its average acceleration
4 answers
asked by
nour
908 views
An experimental rocket car starting from rest reaches a speed of 560 km/h after a straight 450 m run on a level salt flat.
3 answers
asked by
charly
1,737 views
suppose an airplane, landing on a runway with an initial speed of 45 m/s, slows down at an acceleration rate of -5m/s/s. What
3 answers
asked by
Debbie
1,192 views
a handball is hit toward a wall with a velocity of 13.7 m/s in the forward direction. it returns with a velocity of 11.5 m/s in
4 answers
asked by
NoNo100
1,411 views
A car accelerates at a constant rate from zero to 32.6 m/s in 10 seconds and then slows to 14.8 m/s in 5 seconds. What is its
3 answers
asked by
Siri
2,055 views
also how would you do a police car stopped at a set of lights has a speeder pass it at 100km/h If the police car can accelerate
4 answers
asked by
Tri
1,885 views
Which situation describes a negative acceleration?
• a swimmer moving at a constant velocity • a runner slowing down at the
3 answers
asked by
TWO
434 views
a car can accelerate at 3m/s2 how fast could it accelerate towing an identical car
3 answers
asked by
diya
589 views
an aeroplane taxis onto the runway going at 10m/s if it can accelerate steadily at 3m/s^2 and its take off speed is 90m/s what
6 answers
asked by
Anonymous
1,411 views
suppose you are looking at two graphs of velocity vs time the first graph is of an object undergoing costant positive
3 answers
asked anonymously
50 views
what is the acceleration of a ball rolling 12 m/s to a STOP in 3 seconds
3 answers
asked anonymously
20 views
In order to accelerate an objest must do which of the following?
change its speed during time interval change its direction
3 answers
asked anonymously
29 views
Four movers pick up boxes. Each box has a different mass, and each mover applies a different amount of force to lift the box.
7 answers
asked by
Gelo
100 views
A baseball with a mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it has a drag force of 0.4 N
3 answers
asked by
MM
1,751 views
Find the magnitude acceleration of a jeep that is initially moving at 18m/s and comes to a complete stop in 4.2s
4 answers
asked by
Shasha
1,522 views
A plane landing on a small tropical island has just 80 m of runway on which to stop. If its initial speed is 65 m/s, what is the
3 answers
asked by
Kyle
715 views
When the shuttle bus comes to a sudden stop
to avoid hitting a dog, it decelerates uniformly at 3.6 m/s^2 as it slows from 8.5
3 answers
asked by
Anonymous
1,421 views
A bicycler rider is traveling at 7m/s. During an 8s period, the bicycle rider then slows down with acceleration to a speed of 3
3 answers
asked by
Raven
2,104 views
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