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Motion
Page 10
Questions (5,174)
A rock is thrown straight up with an initial velocity of 15m/s. ignore the effect of air resistance , how high will the rock
21 answers
asked by
Mahmoud
5,084 views
A skydiver falls d1 = 495 meters in t1 = 22 s before opening his parachute. After the chute opens, he falls an additional d2 =
4 answers
asked by
joe 22
4,123 views
A child drops a ball onto the road 28 m in front of a car travelling at 50 km/h. If the car can decelerate at a rate of 3.5
4 answers
asked by
Jayy
1,468 views
A rock is dropped from rest into a well. The sound of the splash is heard 2.40 s after the rock is
released from rest. (a) How
4 answers
asked by
JULIET
5,834 views
. A train is traveling down a straight track at 20 m/s when the engineer applies the brakes,
resulting in an acceleration of -1.0
4 answers
asked by
Jay
3,320 views
A motor cycle, starting from rest, has an acceleration of +2.6 m/s^2. When the motorcycle has traveled a distance of 120 m, it
4 answers
asked by
Madison
1,808 views
an olympic long jumper i capable of jumping 8.0 m. Assuming hi horizonal speed is 9.1 m/s as he leaves the ground, how long is
4 answers
asked by
taylor
8,116 views
1. A football player initially at rest accelerates uniformly as she runs down the field, travelling 17 m [E] in 3.8 s. What is
4 answers
asked by
anonymous
2,648 views
two metra trains are on separate but parallel tracks. One has a speed of 90 km/hr, the other 80 km/hr. Initially, the two trains
4 answers
asked by
tiana
3,244 views
If the average speed of an orbiting space shuttle is 19600 mi/h, determine the time required for it to circle the Earth. Make
7 answers
asked by
savy
3,695 views
Figure 2.31 shows how the velocity of four cars changed as they travelled along a straight road. Give reasone for your answers
5 answers
asked by
Selam daniel
759 views
An object moving on the x axis with a constant acceleration increases its x coordinate by 161 m in a time of 12.5 s and has a
4 answers
asked by
Sam
1,132 views
The ants of the North Creek Ant Colony traverse a straight trail between their colony and a nearby picnic table. One ant,
4 answers
asked by
Anonymous
1,848 views
A bus moving at a constant speed of 5.00 m/s passes you. When the rear of the bus is 12.0 m past you, you run toward it with
5 answers
asked by
AH
4,311 views
A Boeing 747 "Jumbo Jet" has a length of 59.7m. The runway on which the plane lands intersects another runway. The width of the
5 answers
asked by
CR
5,229 views
Which bear has the greater average velocity over the entire period? Which bear has the greater velocity at t = 8.0 min? Is the
4 answers
asked by
christian
2,224 views
A ball is dropped from the top of a building. If it takes 3.00 s for the ball to hit the street below, how high is the building?
5 answers
asked by
Jdreem Thomas
1,934 views
Use a(t)=-32 ft/second squared as the acceleration due to gravity. A ball is thrown vertically upward from the ground with an
4 answers
asked by
Anonymous
4,073 views
A 1500kg car skids to a halt on a wet road where μk= 0.53. How fast was the car traveling if it leaves 62-m-long skid marks?
4 answers
asked by
Angela
12,529 views
Judy, by chance, spots a potted plant falling
outside the window at 2.04 m/s . Further down the same building, Judy’s boyfriend
4 answers
asked by
jj
3,449 views
A train has a mass of 5.22 multiplied by 106 kg and is moving at 82.0 km/h. The engineer applies the brakes, resulting in a net
4 answers
asked by
john
1,467 views
Read the scenario. A car increases its position at a constant velocity for 5 s. Then, it stops for 5 s. Which option provides a
4 answers
asked by
anon
2,725 views
You are on the roof of the physics building, 46 m above the ground. Your physics professor, who is 1.80 m tall, is walking
6 answers
asked by
Edge
10,877 views
A police car stopped at a set of lights has a speeder pass it at 100 km/h. If the police car can accelerate at 3.6 m/s^2, how
6 answers
asked by
Rayan
3,707 views
An airplane flew 1000km in 4h. What was the airplanes speed?
5 answers
asked by
Brionna
2,491 views
A basketball player crouches while waiting to jump for the ball. He lowers his center of gravity is 0.30 m. When he jumps for
5 answers
asked by
Tezara
2,441 views
an object moves along x axis such that its velocity varies with time as v=(50-10t) where t is time in seconds average speed of
4 answers
asked by
ishaan singh
1,430 views
a cat walking at 0.25 m/s sees a mouse and accelerates uniformly at 0.40 m/s (squared) for 3.0 s. what is the cat's displacement
6 answers
asked by
h
2,987 views
Abeba walks to school. She walks 1 km in 15 minutes. She meets her friend Makers - they talk for 5 minutes and then carry on
5 answers
asked by
Samuel
1,219 views
A tennis ball with a speed of 28.3 m/s is
moving perpendicular to a wall. After striking the wall, the ball rebounds in the
4 answers
asked by
sam
1,512 views
A jet plane traveling 1890 km/h (525 m/s ) pulls out of a dive by moving in an arc of radius 5.20 km What is the plane's
6 answers
asked by
Stuck
9,528 views
A car accelerates from rest at 1.0 m/s^2 for 20s along a straight roa, it then moves at a constant speed for half an hour, it
7 answers
asked by
sophia
3,901 views
A car makes a trip due north for three fourths of the time and due south one-fourth of the time. The average northward velocity
4 answers
asked by
DELLI
3,908 views
An airplane flies 200 km due west from city A to city B and then 260 km in the direction of 32.0° north of west from city B to
5 answers
asked by
Shetina
3,462 views
A billiard ball travels 22 cm in the positive direction, hits the cushion and rebounds in the negative direction, and finally
5 answers
asked by
h
5,908 views
A car accelerates from rest at 7.9 m/s2.
How much time does it need to attain a speed of 5 m/s?
4 answers
asked by
john smith
1,944 views
Two cars are moving with a constant speed towards finish marker, car A is moving from the north at 16km/hr and car B is moving
4 answers
asked by
Arsh 2
924 views
a stone is dropped vertically into a lake which one of the following statements best describes the motion of the stone at the
4 answers
asked by
katrina
2,832 views
Tom the cat is chasing Jerry the mouse on a table. Jerry puts on the brakes and stops and Tom continues right off the edge of
5 answers
asked by
Trish
3,454 views
A ball is thrown straight up from the ground with speed v_0. At the same instant, a second ball is dropped from rest from a
4 answers
asked by
Anonymous
2,479 views
A ball is thrown straight up into the air. At each of the following instants, is the magnitude of the ball's acceleration
4 answers
asked by
John
2,443 views
modern oil tankers weigh more than a half-million tons and have lengths of up to one-fourth mile. Such massive ships require a
7 answers
asked by
Katie
4,704 views
Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of meters per second. Then v =
4 answers
asked by
Josh Finney
1,186 views
A runner covers one lap of a circular track 40.0 m in diameter in 62.5s (a) for that lap what were her average speed and average
4 answers
asked by
Sarah
3,156 views
Calculate the resultant of the pair of velocities 100km/h north and 75 km/h south. Calculate the resultant if both of the
4 answers
asked by
Kait
2,990 views
An apple falls from a tree and hits the ground
10.9 m below. With what speed will it hit the ground? The acceleration of gravity
4 answers
asked by
nancy
2,792 views
An object at the origin at time t= 0 has velocity measured in meters per second,
v(t) = t/30 if 0 <= t <= 90 = 3 if 90 < t <= 108
4 answers
asked by
Anonymous
1,242 views
A ball is thrown upward. What is its time interval between the release of he ball and the time it reaches its maximum height?
4 answers
asked by
luma
1,469 views
A 45.0 kg girl is standing on a 163 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat,
4 answers
asked by
Elisa
4,440 views
You throw an object up with a speed of v0y = 12 m/s from a height of y = 25 m.How long, in seconds, does it take for the object
4 answers
asked by
melissa
960 views
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