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Q1. A major-league pitcher can throw a baseball in excess of 41.3 m/s. If a ball is thrown horizontally at this speed, how much would it drop by the time it reaches a catcher who is 17.5 m away from the point of release?
Q2. The lander is 8.2 meters above the surface and has the downward speed of 0.89 m/s while the engine is cut off. What is the speed of the lander just before it touches the surface?
Q3. Assume an automobile has 3700 J of kinetic energy. When it moves at twice the speed, what would be its kinetic energy? What's its kinetic energy at three times the speed?
One end of a 46-cm-long copper rod with a diameter of 2.8cm is kept at 490?C, and the other is immersed in water at 24?C. Calculate the heat conduction rate along the rod
A 600 turn solenoid, 25 cm long, has a diameter of 2.8 cm. A 10 turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 5.0 A in 0.48 s, what would be the induced emf magnitude in the..
You are a professional frontier re-enactor who specializes in making lead shot. To do this you put 1.3 kg of ice into 1.3 kg of water, both at 0 C, into an insulated bucket.
Presume that the strength of the electric ?eld about an isolated point charge has a certain value at a distance of 4 m.
Physics: Speed of car at bottom of driveway; initial speed of bullet, 20 A 2.10 x 10³ kg car starts from rest at the top of a 5.0 m long driveway that is sloped at 20° with the horizontal. If an average friction force of 4.0 x 10³ N impedes the mo..
Two long, parallel conductors carry currents I1 = 3.10 A and I2 = 5.10 A, both directed into the plane of the computer screen. Find out the magnitude and direction of the resultant magnetic field at a point midway between the wires. (b) Find out the ..
A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are 4.00 m to the north, 2.00 m northeast, and 0.90 m at 35.0° west of south. begining at the same initial point, an expert golfer could ma..
There is also blue light which has a transmitted angle in the water that is 0.56 degrees smaller than that of the red light in the water. What is the incident angle of blue light
A 10.0 kg ball rests suspended by the 5.0 m long weightless string. find The maximum deflection angle for the large ball
A laser beam is incident on a 600 lines per millimeter diffraction grating. determine angular deflection of the first-order bright fringe
A sign for the local cheese shop is hung by two strings of length 0.25 meters at either end from a 4 meter long pole with a mass of 200 kg. what is the coefficient of static friction between the wall and the pole
A heat engine having an ideal monatomic gas as a working substance has a cycle consisting of the following three processes: isobaric expansion at 200 kPa.
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