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An object is located 10 cm in front of a mirror that forms an image of the object on a wall 300 cm from the mirror. What type of mirror is required to form this image?
What is the magnitude of the external force essential to hold a 2 kg cart motionless at the top of a 2m high incline which is 30 degrees.
What is the smallest probable displacement of shopper.
An automobile and a truck start from rest at the same instant, with the automobile at first at some distance behind the truck. The truck has a constant acceleration of 2.01.
The internal energy of a gas is 547.J. The gas is compressed adiabatically, and its volume decreases by 125.cm3, what is the internal energy of the gas after the adiabatic compression
A vertical containery with base area measuring 14.0 cm by 17.0 cm is being filled with identical pieces of candy, each witha volume of 46.0 mm3 and a mass of 0.0208 g.
A 25kg solid door is 220cm tall, 91cm wide. What is the door's moment of inertia for rotation about a vertical axis inside the door, 15cm from one edge.
A yo-yo has a rotational inertia of 910 g·cm2 and a mass of 120 g. Its axle radius is 3.8 mm and its string is 100 cm long. The yo-yo is thrown so that its its initial speed down the string is 1.1 m/s.
A rock is suspended from the string and moves downward at constant speed. Which statement is true concerning the tension in the string if air resistance is ignored.
A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road, How far has the bicyclist traveled during the entire trip and What is the average speed of the bicyclist for the trip
find the time rocket reaches the peak height of trajectory.
Fairgoers ride a Ferris wheel with a radius of 4.35m, the bottom of which is 1.75m from the ground. The wheel completes one revolution every 30s. A passenger drops his keys when he is three quarters of the way up and at the 10 o'clock position. Wh..
An adult exerts a horizontal force on a sewing that is suspended by a rope of length L, holding it at an angle x with the vertical. The child in the swing has a weight W and dimensions that are negligible compared to L.
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