A dog weighing 1.20 kg is standing at a 2.00 m high roof. The was pushed by a cat with vo 1.50 m/s downwards. What is its KE before it reaches the ground

Q: A body of mass m at rest on the top of a smooth incline slides down. If the height of the incline h…

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Q: A car with mass 1300 kg was travelling at 10 m/s when the driver stepped on the brakes. The car was…

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Q: 1. An SUV hauling a trailer is travelling at 25 m/s when the driver hits the brakes. The 1.4 MT…

A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…

Q: 4. A 1400 kg jeep experienced net horizontal force of 4000. N. If it started from rest, find the…

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Q: A force of magnitude F acting in the x-direction on a 1.0-kg particle varies in time as shown in the…

A: Given, a force of magnitude F acting in the x-direction on a mass m = 1.0-kg particle varies in time…

Q: A 52 kg. block of wood starting from rest slides 30 meters down a frictionless hill inclined 12…

A: Given: The mass of the object is 52 kg. The angle of the inclination is 12o. The initial speed of…

Q: FIGURE 9 Figure 9 shows a weight, w pounds (Ib), sliding down an inclined plane wh an angle a with…

A: Given:- The weight of the object is  W and it slides down an inclined plane which makes an angle α…

Q: 2. A block is given an initial velocity of vị up a frictionless incline of angle 0. How far up the…

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Q: rocket launched from the ground accelerates upwards at 15m/s2 . a. What is the upwards force from…

A: Givenm=50 kga=15 m/s2

Q: A block of wood is pulled by a horizontal string across a rough surface at a constant velocity with…

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Q: A skier starts from rest at the top of a 30o incline and slides down  100 m to the bottom of the…

A: Angle of inclination , α = 30° Length of slope , h = 100 m coefficient of friction , μ = 0.2 To find…

Q: 11. A Honda city car is traveling at 54 km/h. If brakes are applied so as to produce uniform…

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Q: 2. A person with a mass of 65 kg travels through a snow using snow board. He is skiing for 20s and a…

A: Given: Mass of the person, m=65 kg The friction force, F=25 N Time, t=20 s

Q: A car of mass 1200 kg climbs a 300 hill with vertical height of 100 m. If the car has a net forward…

A: Given: Mass (m) = 1200 kg Force (F) = 70000 N

Q: A car is traveling at 30 m/s along a horizontal road. The coefficients of friction between the road…

A: Given data The speed of the car is given as u = 30 m/s. The static friction is given as μₛ = 0.5.…

Q: A 200-N block in contact with a level plane is acted upon by a horizontal force P = 100N. The fk =…

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Q: An 85 kg man lowers himself to the ground from a height of 10.0 m by holding onto a rope that runs…

A: Given, Mass of the man,Mm=85kgHeight,h=10mMass of the sandbag,MS=65kg So, here we calculate the net…

Q: When you jump off a step you usually bend your knees as you reach the ground. By doing this, the…

A: Given  Knees are bent to increase the time of impact is about 10 times.

Q: 2. LO:3 Explain your answer. Explanation: V=0 Explain: Fe = 0 net Ⓡ Ⓡ v = 50 km/hr F net = ? 8.LO:…

A: Mass of the sprinter (m) =63kgAcceleration of the sprinter (a) = 4.20 m/s2The net external force…

Q: 2. A 2.0 kg object moving to the right with speed 0.50 m/s experiences the force shown. What are the…

A: mass m = 2.0 Kg speed u = 0.50 m/s towards right. let v denote the final speed of the object. From…

Q: . A drag-racing car accelerates forward because of the force exerted on it by the road. Why, then,…

A: Here, f = frictional force F = driving force = Engine force W = weight R = Reaction force

Q: 13. James and John dive from an overhang into the lake below. James simply drops straight down from…

A: The gravitational force equation is in y-direction is,   mmanay=Gmearthmmanr2ay=Gmearthr2    (2)

Q: 17. Starting from rest, the distance a freely-falling object will fall in 10 seconds is about 10 m…

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Q: 1. Suppose a bike with a rider on it having a total mass of 63 kg brakes and reduces its velocity…

A: Given data, Mass of bike and rider m = 63 kg Initial velocity u = 8.5 m/s Final velocity v = 0 m/s…

Q: 4 A stone has a weight of 40 N on the Mars, where g = 3.7 m/s2. The mass of the stone is…

A: Weight of stone, Gravitational acceleration on Mars,

Q: KTMDG A box slides from rest down a curved slope. Its initial height is 21 m above the ground, and…

A: Write the given values with the suitable variables. u=0 m/sH=21 mh=7 m Here, u is the initial speed,…

Q: . How long would it take for a net upward force of 150 N, to increase the speed of a 40.0 kg object…

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Q: PLCNA A rope attached to a load of 175 kg bricks lifts the bricks with a steady acceleration of 0.12…

A: in this question use simple work energy  equation.