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A 6.43 kg ball is thrown upward with an initial speed of 14.34 m/s. Ignore air resistance when answering the following questions.
a) What is the ball's initial kinetic energy?
b) What is the ball's kinetic energy when it reaches its maximum height?
c) What is the ball's gravitational potential energy (relative to Earth's surface) when it reaches its maximum height?
d) What is the ball's maximum height?
e) What is the ball's kinetic energy just before it returns to your hand?
An electon is accelerated through 25000 V. how much energy and what frequency will one photon have
Suppose two parallel conducting plates are separated by 0.45 cm of air. Find the maximum potential difference between the two parallel conducting plates in kV
A bix of mass 90 kg is sitting on the floor. The tension in the rope is 56.0N, Calculate the accleration on the box
A car is driven east for a distance of 47 km, then north for 25 km, and then in a direction 29° east of north for 29 km. find (a) magnitude (in km) of car's total displacement from its starting point and (b) the angle (from east) of the car's total..
One sphere is negatively charged, with net charge -2.25 mu C, and other sphere is positively charged, with net charge 4.00 mu C. The charge is uniformly distributed within the volume of each sphere.
A pair of slits separated by d = 1.30 mm is illuminated with light of = 610 nmwavelength and falls on a screen L = 2.00 m away. what was the minimum glass thickness
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
Two stationary positive point charges, charge 1 of magnitude 3.25 nC and charge 2 of magnitude 1.9nC, are separated by the distance of 60 cm. An electron is released from rest at the point midway between the two charges, and it moves along the lin..
A flashlight bulb with a resistance of 40 ohm is powered with a 6 volt battery and produces 0.75W of power. what is the voltage across the battery terminals when the light bulb is on
The department actually completed 10,000 hours of production. Illustrate what is the appropriate total budget for the department, assuming it uses flexible budgeting?
However, as the drawing shows, a plane mirror reflects light from the bird into your camera. If x = 4.2 m and y = 3.9 m in the drawing, for what distance must you set focus of the camera lens in order to snap a sharp picture of the bird's image.
An object placed on an equal-arm balance scale requires 12 kg to balance it. When object is placed on a spring scale, the spring scale reads 12 kg.
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