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an elastic collision occurs between a 300g cart moving at 2m/s to the right and a 500 g cart moving at 6m/s to the left find the velocity of each cart after the collision.
A 8760-kg car is travelling at 27.8 m/s when the driver decides to exit the freeway by going up a ramp. What is the magnitude of the average drag force exerted on the car
Mary applies a force of 70 N to push a box with an acceleration of 0.49 m/s2. When she increases the pushing force to 80 N, What is the mass of the box
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.60 mm. An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.60 mm.
Speedboat A negotiates a curve whose radius is 115 m. Speedboat B negotiates a curve whose radius is 194 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
question1the press box at a baseball park is 36.0 ft above the ground. a reporter in the press box looks at an angle of
A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 5.9 m/s. What is the magnitude of the normal force on the addict from the seat when both go through the highest point of t..
Mike pulls a sled across level snow with force of 235 N along a rope that is 35.5° above the horizontal. If the sled moved the distance of 75.0 m, how much work did Mike do.
A cosmic ray travels 60km through the earth's atmosphere in 450us , How long does the journey take according to the cosmic ray
A typical ten-pound car wheel has a moment of inertia of about. calculate the rotational kinetic energy K of the rotating wheel
find the magnitude and direction of the resultant force A + B that is applied to the stump. Specify the direction with respect to due east.
A small electric car overcomes a 250 N friction force when traveling 30 km/h. How much power is dissipated in the coils
A car of mass 930 kg is traveling over the top of a hill, If the hill has a radius of curvature of 38 m and the car is traveling at 13 m/s, what is the normal force between the hill and the car at the top of the hill
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