Two people, one pushing and the other pulling, move a 350.0 kg crate across a floor (ignore friction) as shown. Starting from rest, how much time will it take for the crate to reach 4.0 m/s?

Q: A cheetah accelerates constantly from rest to catch a gazelle. The cheetah covers a distance of 40 m…

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Q: A student lifts a 1kg object vertically at a velocity of 1 m/s . What is the magnitude of the force…

A: Given Mass of an object is m = 1 kg Acceleration due to gravity is g=9.80 m/s^2

Q: Gibbons, small Asian apes, move by brachiation, swinging below a handhold to move forward to the…

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Q: Starting from rest, a 28.0 kg28.0 kg child rides a 8.75 kg8.75 kg sled down a frictionless ski…

A: Given  Mass of the child mc=28.0kg Mass of the sled ms=8.75kg Total mass M=mc+ms M=28.0+8.75…

Q: A 50.0 kg man standing on a spring scale takes a descending elevator ride (DOWNWARD). Starting from…

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Q: on aircraft carriers, catapults are used to accelerate aircraft to flight speeds in a short…

A: The acceleration of the jet is, a=v-ut=70 m/s-0 m/s2.5 s=28 m/s2

Q: You place a crate of mass 20.1 kg on a frictionless 4.69-meter-long incline. You release the crate…

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Q: One end of a rope is tied to a 11 kg hanging weight. The rope goes over a pulley and the other end…

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Q: A runaway train with a mass of 500kg is stopped by batman. If it runway train starts with an initial…

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Q: A 15 kg cart full of laboratory supplies is pushed down a hall. If the teacher uses a force of 25 N…

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Q: A worker applies a constant horizontal force of100 N to a block on a smooth horizontal surface. The…

A: Given Data: The force applied is, F = 100 N. The distance moved is, d = 8 m. The time taken is, t =…

Q: Spaceman Spiff needs to turn his 700 kg rocket and go in the opposite direction to escape the Zoks.…

A: Given : m = 700 kg vi = -3710 m/s (negative because moving in opposite direction) vf = 5781 m/s F =…

Q: A particle of mass 5.4 kg moves along the horizontal x-axis. In the x direction the only force…

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Q: You push a box (mass 3 kg) so that its initial speed is 2.2 m/s. It slides across a rough floor…

A: KE=Wfriction12mv2=μkmgdd=v22μkg

Q: What is the minimum possible value of the coefficient of static friction between the mug and the…

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Q: A 1 kg toy car is accelerated from rest by a net force shown in the graph. The approximate speed in…

A: We can see that F is a linear function of x.Slope of the linear function…

Q: A car begins rolling down a hill that ends in a cliff. the car starts at rest 10m from the cliff and…

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Q: A 2.0 kg block is sliding on a horizontal surface slides to a halt due to friction of magnitude 5.1…

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Q: A 83 fıreman slides down a 2.7 m pole by applying a frictional force of 448 N against the pole with…

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Q: A 45.3 kg steel box is pushed along the concrete ground. It goes from zero to a speed of 23.3 m/s in…

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Q: Gibbons, small Asian apes, move by brachiation, swinging below a handhold to move forward to the…

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Q: Solve this question in detail. Solution must be in Handwritten format only. Include free body…

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Q: A woman pushes an initially stationary 11.3 kg gift up a 15.90 ramp a distance of 7.21 m. If she…

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Q: You build a potato cannon. It has a barrel 1.5 meters long, and want to find out some interesting…

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Q: You place a crate of mass 38.8 kg on a frictionless 2.20-meter-long incline. You release the crate…

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Q: A 1000-kg automobile enters a freeway on-ramp at 20 m/s and accelerates uniformly up to 40 m/s in a…

A: First of all we have to calculate the acceleration of the automobile. Acceleration of an object is…

Q: Leilani loads luggage into a Hawaiian Air passenger plane bound for Vegas using a conveyor belt…

A: Angle of inclination of the conveyer belt (θ)=20o Time take by the luggage to reach the top (t)=0.70…

Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

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Q: A 72 fireman slide down a 3.2 m pole by applying a frictional force of 377 N against the pole with…

A: Given , mass of fireman , m = 72 kg Height of pole , h = 3.2m Frictional force , f = 377 N…

Q: runner of mass 51.1 kg starts from rest and accelerates with a constant acceleration of 0.8 m/s2…

A: Acceleration untill reach v  velocity = a"= .8m/s² final Velocity "v"= 5.8m/s. Total distance S"=…

Q: What is the speed and direction of the child? How long does it take the child to make it to the edge…

A: Given mass of the child (m1) = 25kg mass of the dog (m2)= 11kg radius of the pond (r)= 15m velocity…

Q: The 1.5 Mg = 1,500 kg sports car has a tractive force of F = 4.5 kN = 4,500 N. If it produces the…

A: The mass of the car, m=1500kg The tractive force, F=4500 N The velocity of the car, v=-0.05t2+3t m/s

Q: A puck in a shuffleboard game slides a total of 12 m before coming to rest.  It kinetic coefficient…

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Q: A 91 kg janitor wearing running shoes is running across an ice rink at a speed of 3.2 m/s. They try…

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Q: A lump of clay of mass 0.21 kg is dropped from a height of 5.5 m. The clay comes to a full stop…

A: mass of clay is m = 0.21 Kg height from which clay was dropped is h = 5.5 m time taken by the clay…