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Solve the following problem:
Problem: How fast must you project an object for it to reach a height equal to the moon's distance from the earth? Ignore the gravitational attraction of the moon.
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You've taken your neighbor's young child to the carnival to ride the rides. She wants to ride The Rocket. Eight rocket-shaped cars hang by chains from the outside edge of a large steel disk. What is the car's speed
A spy camera is said to be able to read the numbers on a car's license plate. Find what must be the diameter of the camera aperture
A ball of weight 1.5 N is thrown at an angle of 30° above the horizontal with an initial speed of 12 m/s. the net force (ignoring air resistance) on the ball is:
a ball is launched at 100 m s at 75 degrees from a 40m tall building. find the max height how far the ball lands from
An electric field of 254,000 N/C points due west at the certain spot. What are the magnitude and direction of the force that acts on the charge of -8.1 µC at this spot.
White light is incident on an equilateral prism with light parallel to one side. Find the angular spread as the light leaves the prism
A short coil consisting of 10 loops has a radius of 10 centimeter. Determine what current must be passed through the coil to generate a magnetic field of 56.8 mT at an axial distance of 30.0 centimeter
A diatomic gas does 320 J of work and also absorbs 600 cal of heat. What is the change in internal energy of the gas
A pole-vaulter is nearly motionless as he clears the bar, set 4.2m above the ground. What is his acceleration as he comes to rest on the pad
q1. a car moving at 37 ms approaches a stationary whistle that emits 270 hz sound. the speed of sound is 347 ms. what
A compound microscope has a barrel whose length is 16.0 cm and an eyepiece whose focal length is 1.6 cm. What focal length must the objective have
A sound wave traveling at 343 m/s is emitted by the foghorn of a tugboat. An echo is heard 1.70 s later. How far away is the reflecting object
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