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an object is at a distance d to the left of a flath screen. A converging lens with focal length f<d/4 is palced between object ans screen.
a) show that two lens positions exist that form an image on the screen, and determine how far thses positions are from the object.
b) how do the two images differ from each other?
A positive charge +q1 is located to the left of a negative charge ?q2. On a line passing through the two charges, What is the distance between the charges
A ball rolls across a floor with an acceleration of 1.00m/s^2 in a direction opposite to its velocity. The ball ahs a velocity of 4.00m/s, What was the inital speed of the ball
Presume a spherical planet P has a uniform density of 4.72 x 10^3 kg/m^3 and a radius R = 3604km. For a parcel that weighs 64N on the surface of the spherical Earth.
The top of a refrigerator has an area of 0.6m2. The height of the refrigerator is 180 cm. What volume does refrigerator occupy in cubic meters.
A 3.00 g lead bullet traveling at 650 m/s strikes a target, converting its kinetic energy into thermal energ, Find the heat required to melt the bullet
The total mass of the gas is 12.48 g. What is molecular mass of the gas? the gas expands so that the cylinder has twice the height. How much work did the gas do assuming the pressure remained constant.
A 1110 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960 N crate hangs from far end of beam.
The power output of he Sun is 3.9 x 10^26 watts. Determine the intensity of the Sun's radiation on he planet Earth
An 805-kg race car can drive around an unbanked turn at a maximum speed of 54 m/s without slipping. What would be the maximum speed if no downforce acted on the car
A 1600 kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16430 N on the sub, with a downward resistive force of 1000 N. What is the submarine's acceleration.
How fast is the roller coaster moving at the top of the loop
A player bounces a 0.47 kg soccer ball off her head, changing the velocity of the ball from i = (9.2 m/s) + (-2.7 m/s) to f = (6.1 m/s) + (5.5 m/s). The ball is in contact with the player's head for 6.70ms.
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