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Kinematics
Page 5
Questions (15,709)
An angler has a fish at the end of his line, which is being reeled in at the rate of 2 feet per second from a bridge 30 feet
4 answers
asked by
Andrea
1,352 views
A roller-coaster car is moving at 20.0 m/s along a straight horizontal track. What is its speed after climbing a 15.0 m hill?
5 answers
asked by
Roller coaster Q-6
1,817 views
The driver of a 1.00X103 kg car traveling on the interstate at 35.0 m/s slams on his brakes to avoid hitting a second vehicle in
4 answers
asked by
kate
3,918 views
A stone is thrown vertically upwards from the top of a tower 50.0m high with an intial velocity of 20.0m/s. (a) whats the
4 answers
asked by
Jess
2,716 views
A cart on a linear track has a uniform acceleration of 0.172 m/s^2. What is the velocity of the cart 4.00 s after it is released
4 answers
asked by
Barbara
1,752 views
Use the position equation given below, where s represents the height of the object (in feet),
v0 represents the initial velocity
4 answers
asked by
Anonymous
1,438 views
A body is projected at an angle of 30degree to the horizontal with a velocity of 150metre per seconds.Calculate the time it
4 answers
asked by
scott
1,872 views
A circus performer stands on a platform and throws an apple from a height of 49 m above the ground with an initial velocity
v0 as
4 answers
asked by
joy
2,171 views
two particles moving along x-axis in the same direction with uniform velocity is 8 metre per second and 4 metre per second
7 answers
asked by
ruchiket
3,386 views
A ball is thrown horizontally from the top of a cliff 20m high. If the initial horizontal velocity is 8.0m/s,find how long it
4 answers
asked by
Abigail
1,803 views
A softball player tosses a ball into the air with an initial velocity of 11.0 m/s, as shown in the diagram. What will be the
3 answers
asked by
hind mohammed
628 views
a sled weighing 100 pounds reaches the foot of a hill with a speed of 40 feet/sec. The coefficient of kinetic friction between
3 answers
asked by
i need your help please :(
1,977 views
A Matatu left Nairobi a 7.00 Am for Kisumu at an average speed of 75km/h. A car also left Nairobi 40 minutes later for Kisumu
3 answers
asked by
Sanmathi
535 views
A body rises vertically from the earth according to the law s = 64t – 16t2. If it has lost k times its velocity in its 48 ft
4 answers
asked by
Mithun
549 views
The vertical and horizontal component of the initial velocity of a projectile are 36m/s and 64m/s. Find the initial velocity and
3 answers
asked by
charles
861 views
An observer 2 km from the launching pad observes a vertically ascending missile at an angle of elevation of 21 degrees. 5
3 answers
asked by
H
2,298 views
Calculate the radius of parachute that will slow a 70 Kg person to a terminal velocity of 8 m/s. The person tries to avoid leg
3 answers
asked by
ncphysics
1,063 views
A body moving in a straight line with an acceleration of 12ms-1 has a velocity of 8ms-1 after 5 seconds. Find the initial
4 answers
asked by
James
520 views
An 80.0 kg rollerblader is at rest at the top of a 100 m hill at a 7o incline. The coefficient of friction on the hill is 0.110.
3 answers
asked by
n
1,196 views
Atom Ant is traveling with an initial velocity of 20.0 cm/s. He begins to accelerate at a rate of 8.00 cm/s2 for 5.00 s. What is
3 answers
asked by
Anonymous
1,049 views
A body with a mass of 75 kg is located at a height of 20 m. If it is allowed to free fall to the ground. What will be its
4 answers
asked by
Danny
699 views
An aeroplane taking off from a field has a run of 500 meters. What is the acceleration and take off velocity if it leaves the
4 answers
asked by
Sanya
803 views
An ice skater spins with her arms extended and then pulls her arms in and spins faster. Which statement is correct?
A. Her
4 answers
asked by
Fernando
1,227 views
1) Find the final velocity of the two balls if the ball with velocity
v2i = −21.0 cm/s has a mass equal to half that of the
4 answers
asked by
Tayler Jones
1,609 views
a body is projected at an angle of 60degree to the horizontal with a velocity of 150m/s calculate the time it take to reach the
2 answers
asked by
Mary Uchendu Chika
534 views
After a boulder is pushed down a hill, its speed s(t) at time t is given by the formula s(t)=v+at, where v is the initial
2 answers
asked by
Help Please!
929 views
Jana hit a golf ball with an initial velocity of 102 feet per second at an angle of 67° with the horizontal.
After 2 seconds,
5 answers
asked by
Becca
1,678 views
An object is thrown vertically up ward from the ground with initial velocity 1960cm/s Neglecting air resistance, find the
4 answers
asked by
Ermiyas Abas
1,137 views
A man 2 meters tall walks at the rate of 2 meters per second toward a streetlight that's 5 meters above the ground. At what rate
5 answers
asked by
Mishaka
7,216 views
An object on Earth falls with an acceleration of a=9.81 m/s^2. A function exists between the height from which the object falls,
4 answers
asked by
Heaven
3,996 views
A 1200 kg airplane starts from rest and with a constant average forward acceleration of magbitude 5.0 m/s, reaches its takeoff
4 answers
asked by
Dakota
996 views
A car has an initial speed of 25m/s and a constant deceleration of 3m/s^2. Determine thewvelocity of the car when t=4s. What is
5 answers
asked by
HELP
4,818 views
For positive constants k and g, the velocity, v, of a particle of mass m at time t is given by
v= mg/k(1−e^(−kt/m)) At what
4 answers
asked by
Alisa
1,917 views
If the speed of the skateboarder at point A is v=1.2m/s, what is her speed at point B? Assume that friction is negligible.
Point
1 answer
asked by
JP
133 views
A daredevil on a motorcycle leaves the end of a ramp with a speed of 34.5 m/s as in the figure below. If his speed is 32.1 m/s
4 answers
asked by
blake
2,395 views
An object with a mass of 0.75 kg is projected over a horizontal surface with a speed of 2.5 m/s. It then comes to rest after 3.0
4 answers
asked by
Stefan
209 views
A stone has an initial velocity of 100 fps up to the right at 30 degrees with the horizontal. The components of the acceleration
3 answers
asked by
Carl
2,256 views
a kite at a height of 60 ft is moving horizontally at a rate of 5 ft/sec away from the boy who flies it. how fast is the cord
5 answers
asked by
mark paul
7,582 views
A baseball pitcher throws a 250g baseball to make it accelerate to 50 m/s the instant that it leaves his hand. How much energy
2 answers
asked anonymously
109 views
A bullet with a mass m = 4.83 g and initial speed of 330 m/s passes through a wheel which is initially at rest as in the figure.
5 answers
asked by
jhay
5,099 views
Suppose that an accelerating car goes from 0 mph to 58.6 mph in five seconds. Its velocity is given in the following table,
5 answers
asked by
Anonymous
5,396 views
a 1200kg car coasts from rest down a driveway that is inclined 20degrees. to the horizontal and is 15m long. how fast is the car
4 answers
asked by
eddy
4,422 views
A 0.15 kg baseball moving at +26 m/s is slowed to a stop by a catcher who exerts a constant force of -390 N. How long does it
5 answers
asked by
julia
6,858 views
A ball is thrown into the air with an initial upward velocity of 48 ft/s. Its height (h) in feet after t seconds is given by the
1 answer
asked by
909
122 views
A ball is dropped from a height of 3m and bounces on the ground. At the top of each bounce, the ball reaches 60% of it's
5 answers
asked by
Mae
2,054 views
A cyclist of mass 60kg rides a bicycle of mass 20kg. When starting off, the cyclist provides a force of 200N. What is his
7 answers
asked by
Elvis
2,568 views
If an object is dropped from a height of 200 feet, the function h(t) = -16t^2 + 200 gives the height of the object after t
12 answers
asked by
Anonymous
9,279 views
A ladder 10 m long rests on horizontal ground and leans against a
vertical wall. The foot of the ladder is pulled away from the
5 answers
asked by
Grant
5,991 views
A rider with his bike, weighing a total of 300 kg jumps off a sloped ramp with a speed of 5.5 m/s. How high will the biker jump
5 answers
asked by
tman
1,362 views
A wooden block slides 90cm in half a minute. Find it's mean speed in cm/s
4 answers
asked by
Anonymous
636 views
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