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Workers have loaded a delivery truck in such a way that its center of gravity is only slightly forward of the rear axle. The mass of the truck and its contents is 6860 kg. Discover the magnitudes of the forces excreted by the ground on the front wheels and rear wheels of the truck. The center of mass is .63m from the back tire, and 2.3m from the front tire.
julie throws a ball to her friend sarah. the ball leaves julies hand a distance 1.5 meters above the ground with an
A 700 N man stands in the middle of a frozen pond of radius 5.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.2 kg physics textbook horizontally t..
To determine the location of her center of mass, a physics student lies on the lightweight plank supported by two scales 2.50 apart, as indicated . If left scale reads 300 , and right scale reads 122 .
Suppose we hang a heavy ball with a mass m = 17 kg (so the weight is mg) from a steel wire 2.5 m long that is 2 mm in diameter (radius = 1e-3 m). Calculate the stretch L of the steel wire
An alpha particle (m = 6.7 ´ 10-27 kg, q = +3.2 ´ 10-19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out an electric potential difference V..
Suppose the slope of a beach underneath the ocean is 20 cm of dropoff for every 1.6 m of horizontal distance. A wave is moving inland, slowing down as it enters shallower water. What is its acceleration when it is 11 m from the shoreline?
A long distance runner starts at given place and runs around a circular track of 63m radius at a speed of 6.0m/s in the clockwise direction for 60 seconds, how far around the track is the runner from the starting point
In a physics lab experiment, a student immersed 201 one cent coins (each having a mass of 3.00) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.240 of water at 20 in an insulated contai..
A uniform electric field, E = -50 N/C, fills a region of space. A partcicle with mass, m = 0.025 kg, bearing charge, q = 1mC, Determine where and when the particle crosses the x-axis
One possible means of achieving space flight is to place a perfectly reflecting aluminized sheet into Earth 's orbit and to use the light from the Sun to push this solar sail. What force is exerted on the sail
Cliff and Will support the board at each end so that it is horizontal. A 61 kg boulder is placed on a 2.00 m long board at a point that is x from Cliff. What is the displacement x of the boulder from Cliff
A solid aluminum sphere has a radius of 2.34 m and atemperature of 89.0 °C. The sphere is then completely immersedin a pool of water whose temperature is 22.3 °C. find the magnitude of the difference between the weights
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