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Kinematics
Page 9
Questions (15,755)
If a ball is thrown in the air with a velocity 50 ft/s, its height in feet t seconds later is given by y = 50t − 16t^2.
(a)
5 answers
asked by
feather
13,815 views
A motorist drives at 30 m`s-1 on a straight level road. The speed limit is 70 km`h-1.50 m before he drives over a speed trap, he
1 answer
asked by
LL MOREKU
313 views
a man with a mass of 90,6 kg walks to the back of a train at a velocity of 1m/s while the train moves at a constant velocity of
4 answers
asked by
James
1,425 views
Two students are passing a ball back and forth, allowing it to bounce once between them. If one students bounce passes the ball
6 answers
asked by
Bob
1,091 views
ball thrown vertically upward with an initial velocity of 80 ft per second. The distance s(in ft) of the ball from the ground
3 answers
asked by
Andy G
1,918 views
A ball's projected at an angle X to the horizontal from a cliff 96 metres high and strikes the ground at a distance of 260
3 answers
asked by
Jaden K Hove
736 views
Two ships leave port simultaneously. Ship A sails north-west at 30 km/h and ship B sails S 40 degrees W at 30 km/h. Calculate
3 answers
asked by
sihle
688 views
You throw a glove straight upward to celebrate a victory. Its initial kinetic energy is K and it reaches a maximum height H.
7 answers
asked by
Erica
7,174 views
A 5.00 kg stone is thrown upward at 7.50 m/s at an angle of 51.0 degrees above the horizontal from the upper edge of a cliff,
5 answers
asked by
Anonymous
3,532 views
A ball is thrown with a slingshot at a velocity of 95 ft./sec. at an angle of 25 degrees above the ground from the height of 6
7 answers
asked by
Monica
2,808 views
A particle is moving along a horizontal straight line. The graph of the position function (the distance to the right of a fixed
4 answers
asked by
Korinna
5,785 views
a 58kg skier is coasting down a 25degree slope with a kinetic friction force of 70N. initial speed is 3.6 m/s and distance
4 answers
asked by
natali
2,459 views
While Hiking in the wilderness, you come to the top of a cliff that is 60.0m high. you throw a stone from the cliff, giving it
4 answers
asked by
Shaila
1,564 views
A 300 g bird flying along at 6.4 m/s sees a 10 g insect heading straight toward it with a speed of 34 m/s (as measured by an
4 answers
asked by
falcon306
3,741 views
75 kg man walking at 1.0 m/s.
1 answer
asked by
social studies
68 views
A flat go-kart track consists of two straightways 100 m long with semicircular ends which have a radius of 25.0 m. A go-kart
4 answers
asked by
Victoria
1,702 views
What is its velocity just before it reaches the ground
2 answers
asked by
Mary
42 views
Malory is jogging at 3.5 miles per hour to the East. Jaime is walking at 1.25 miles per hour to the south. Which statement
3 answers
asked by
Adam
219 views
I just need help getting started. I can't figure out the equation I need to use!
An airplane passes over an airport at noon
3 answers
asked by
cindy
582 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
95 views
One simple model for a person running the 100 m dash is to assume the sprinter runs with constant acceleration until reaching
3 answers
asked by
Set8
2,163 views
A Physics textbook slides off a horizontal tabletop with a speed of 1.20 m/s. It
strikes the floor in 0.50 s. Ignore air
4 answers
asked by
Stephen WA
323 views
The flight of a ball hit from a tree that is 0.6m tall can be modelled by the function h(t)=-4.9t+6t+0.6, where h(t) is the
5 answers
asked by
Soraya
1,157 views
A ball is thrown vertically upward from a height of 2 m with initial velocity of 20 m/s (how high with the ball go? assume the
6 answers
asked by
Fatima
736 views
a rock is dropped from a cliff and reaches the ground in 2.70s . At the same time another rock is thrown horizontally from the
2 answers
asked by
carlos
1,009 views
Using the graph above, answer the following question:
Where was the object after 2 seconds?
1 answer
asked by
Jalen Warren
98 views
A man stands on the roof of a 15.4 m tall building and throws a rock with a speed of 29.0 m/s at an angle of 33.3 degrees above
4 answers
asked by
tyger2020
2,073 views
A skateboarder at a skate park rides along the path shown in (Figure 1) .a=2.7 m and b=1.0m
Part A If the speed of the
3 answers
asked by
ana
2,443 views
A rock is thrown upward with a velocity of 20 meters per second from the top of a 37 meter high cliff, and it misses the cliff
3 answers
asked by
sharena
1,132 views
A stone is thrown straight up from the edge of a roof, 600 feet above the ground, at a speed of 12 feet per second.
A.
4 answers
asked by
kloe
7,262 views
The velocity V m/s of a particle in motion is given by 𝑉 = 3𝑡
2 − 2𝑡 + 5.Calculate the distance travelled by the
2 answers
asked anonymously
120 views
An automobile travelling at 80km/hrs has tyres of radius 80cm. On applying brakes the car is brought to a stop in 30 complete
1 answer
asked by
Jitender
411 views
1.You are driving at the speed of 28.7 m/s
(64.2138 mph) when suddenly the car in front of you (previously traveling at the same
6 answers
asked by
Mikayla
7,353 views
A particle moving along a straight line is subjected to a deceleration a=-2v^3 m/s2.
If it has a velocity v=8 m/s and a position
6 answers
asked by
Dynamics Problems
4,510 views
a particle moves on a circular path of 20 ft radius so that its arc distance from a fixed point of the path is given by s= 4
4 answers
asked by
aaa
3,410 views
A train which is moving with uniform acceleration is observed to take 20 and 30 seconds to travel succesive 0.4km.how much far
4 answers
asked by
ravi
1,071 views
A car takes 11 s to go from v=0m/s to v = 22 m/s at constant acceleration.
If you wish to find the distance traveled using the
4 answers
asked by
rachel
3,530 views
Suppose that a 5-foot-long chandelier falls from a 35-foot ceiling and that you are 6 feet tall and standing directly under the
4 answers
asked by
Lydia
5,744 views
If a rock is thrown upward on the planet Mars with a velocity of 17 m/s, its height (in meters) after t seconds is given by H =
4 answers
asked by
Katrina
16,752 views
A plane has an airspeed of 200 {mph}. The pilot wishes to reach a destination 600 {mi} due east, but a wind is blowing at 50
4 answers
asked by
Fizza
5,262 views
An airplane is flying 400 km/h west. There is a wind blowing 100 km/h NE. What is the airplane's actual speed and heading?
4 answers
asked by
lawrence
1,549 views
If a ball is thrown upward from a building 30 m tall and the ball has a vertical velocity of 25 m/s, then its approximate height
4 answers
asked by
Gerrad
2,786 views
A vehicle starts from rest and in 30s reaches a speed of 20s. Thereafter the speed remains steadily until it stops 5s later.
1.
7 answers
asked anonymously
158 views
The 10-lb has an initial velocity of 10ft/s on the smooth plane. If a force F=(2.5t), where t is in seconds, acts on the block
3 answers
asked by
HELP
1,838 views
A car crashes into a wall a 25m/s and is brought to rest in 0.1s. Calculate the average force exerted on a 75-kg test dummy by
4 answers
asked by
Nikki Rozzell
1,984 views
Car A starts from rest at t = 0 and travels along a straight road with a constant
acceleration of 2 m/s2 until it reaches a speed
5 answers
asked by
siti
6,721 views
A freight train has a mass of 1.7 multiplied by 107 kg. If the locomotive can exert a constant pull of 7.4 multiplied by 105 N,
1 answer
asked by
rachel
436 views
A rocket arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at
3 answers
asked by
Mehak
543 views
A motorist driving a 1200-kg car on level ground accelerates from 20.0 m/s to 30.0 m/s in a time of 5.0s. Neglecting friction
6 answers
asked by
Anonymous
508 views
The height of a ball thrown vertically upward from a rooftop is modelled by h(t)=-5t^2=20t=50, where h(t) is the ball's height
3 answers
asked by
Erin
802 views
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