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A 58 kg man is riding on a 50 kg cart traveling at a speed of 3.1 m/s. He jumps off with zero horizontal speedrelative to the ground. What is the resulting change in the cart's speed, including sign?
m/s
At the top of a 30m hill is a 5kg mass. It is loaded into a spring cannon. what was the gravitational potential energy of the mass with respect to the bottom of the hill
At the end of the first fiscal year, $3,000,000 has been spent on the project. $1,500,000 has been collected from the grantor. Explain how should the grantee's Enterprise Fund statement of cash flows report the cash inflows?
A 5.7x10^2 kg hot-air balloon takes off from rest at the surface of the earth. The wind and lift forces take the balloon up, doing +9.7 x 10^4 J of work on the balloon in the procedure. At what height above the surface of the earth does the balloo..
A 92-kg man's thighbone has a relaxed length of 0.55 m, a cross-sectional area of 6.8 10-4 m2, By how much does the thighbone compress
On a particular trial of a Milikan oil drop experiment a student found the following values for the charge q (in C).
Big Ben, the Parliament tower clock in London, has an hour hand 2.70 m long with a mass of 300 kg, Calculate the total rotational kinetic energy of the two hands about the axis of rotation
Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is P1 = 2.00 104 Pa, Find the speed of flow in the upper section
A toy cannon uses a spring to project a 5.28 g soft rubber ball. The spring is originally compressed by 5.06 cm and has a force constant of 8.08 N/m. At what point does the ball have maximum speed
The weight of passengers on a roller coaster increases by 51 percent as the car goes through a dip with a 39 radius of curvature.What is the car's speed at the bottom of the dip.
The force of the wind on the sails of a sailboat is 300 N north. The water exerts a force of 210 N east. If the boat (including crew) has a mass of 310 kg, illustrate what are the magnitude and direction of its acceleration?
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons.
A researcher uses a converging lens with focal length 310 mm to view a specimen. The lens is placed 130 cm from the specimen. Where will the image be located
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