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You drive your 1,465-kg car at a constant speed of 25 mph down a ramp that has a grade of 12 %. Use conservation of energy to find the work done by the frictional force acting from the road on the tires. Define positive direction in the forward direction. do step by step.
You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. how far (in kilometers) are you from the base of the arch
A car starts from rest with an acceleration of 3 m/s/s. How far will the car travel in 6s? What is the velocity of the car after 6s
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. calculate How fast are the waves traveling
A hurricane wind blows across a 7.50m × 16.4m flat roof at a speed of 180km/hr, How much force is exerted on the roof
Assume the magnitude of the charge of particle is 100 mC, its mass is 0.03 g and its velocity is 2000 m/s, What is its radius of curvature of particle in the magnetic field
A satellite is circling the earth at 7.26 x 10^6 m with speed 7400 m/s. What is the speed of the second satellite
The maximum transverse acceleration of a point at the middle of the segment is 8800 m/s^2 and the maximum transverse velocity is 3.50m/s.
The Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. what is the total charge incident on the atmosphere
A cannon ball is fired horizontally with a velocity of 600 m/s from the top of a cliff 1000 m high.
Find out line linking the two point charges
A molecule of DNA (deoxyribonucleic acid) is 2.09 µm long. The ends of the molecule become singly ionized: negative on one end, compute the effective spring constant of the molecule
Calculate the torque required to accelerate the Earth in3days from rest to its present angular speed about its axis. Calculate the average power required
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