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Planet X is 347 times more massive than Earth, and its radius is 10.3 times Earth's radius. How many times more would you weigh on Planet X?
A cigarette lighter in a car is a resistor that, when activated, is connected across the 12-V battery. Suppose a lighter dissipates 32 W of power. find the resistance of the lighter
A bumper car with mass m1 = 116 kg is moving to the right with a velocity of v1 = 5 m/s. A second bumper car with mass m2 = 96 kg is moving to the left with a velocity of v2 = -3.8 m/s. The two cars have an elastic collision. Suppose the surface is f..
An 85-g arrow is red from a bow whose string exerts a constant force of 105 N on the arrow over a distance of 75 cm. Illustrate what is the speed of the arrow as it leaves the bow?
You sing into a well and find that the well resonates at frequencies of 231 Hz and 273 Hz with no resonances between these two frequencies. What is the frequency of the fundamental mode
a student is moving a safe onto a platform. the student needs to push the safe 2.3 m horizontally and then lift it 1.2
You and a friend are sitting in the bleachers of a major league baseball park, 120 m from home plate on a day when the temperature is 20° C. How much later does the other person hear the sound
A lead ball is dropped into a lake from the diving board 30 m above the water. After entering the water, it sinks to the bottom with the constant velocity equal to velocity with which it hit the water. The ball reaches the bottom 10 s after it is ..
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 30.0 m. She pushes in a direction 26.0° below the horizontal. Determine the work done by the gravitational force
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 5.49 10-2 kg/s. What is the speed at which the gasoline moves through the fuel line
Rank the voltage across each cylinder. A baseball is seen to pass upward by a window 15 m above the street with a vertical speed of 18 m/s. imagine the ball was thrown from the street. What was it's initial speed.
During a thunderstorm the electric field at a certain point in the earth's atmosphere is 1.11 105 N/C, directed upward, Find the acceleration of a small piece of ice of mass1.08 10-4 g
Consider the H beta line of the Balmer series for hydrogen. Calculate the photon energy for this H beta line
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