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Two identical pellet guns are fired simultaneously from the edge of a cliff. These guns impart an initial speed of 32.0 m/s to each pellet. Gun A is fired straight upward, with the pellet going up and then falling back down, eventually hitting the ground beneath the cliff. Gun B is fired straight downward. In the absence of air resistance, how long after pellet B hits the ground does pellet A hit the ground?
two buses started from the same depot at the same time and traveled in opposite directions. after traveling 4 hours
Satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which satellite travels.
questiona.if puck has a radius of 2 cm what is the ratio of angular to linear velocity for which kinetic energy of
this question relates directly to the vorperian and kent 2007 article vowel acoustic space development in children a
An electron moving through an electric field experiences an acceleration of 4.3 103 m/s2. Find the electric force acting on the electron
An object is moving with a constant velocity V1=2i+4j for 5 seconds. It then moves with a constant velocity of V2=-3i=2j for 10 seconds, determine the final velocity vector
Ceres, the smallest identified dwarf planet in the Solar System, has a radius R = 480 km, Use these numbers to calculate the escape speed from the surface of Ceres
A spacecraft flies in the horizontal direction at a speed of v=0.980c, What is the slope angle to an astronaut on the spacecraft
A tuning fork with a frequency of 440 Hz is held just above the top of a uniform glass tube containing water. What is the speed of sound in air
A car with energy absorbing bumper hits a tree. The mass of the car is 1500kg, the initial velocity was 10 m/s. What was the energy absorbed
Electrons are accelerated through a voltage difference of 15.4 kV inside a television's cathode ray tube. What is the de Broglie wavelength of the electrons
Some people think that they can stop themselves rushing forward by putting their hands on the dashboard. Find out the mass of the object that has a weight equal to force you just calculated.
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