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Two gliders having equal masses, each travelling along a level frictionless track at the same speed, approach each other head on. They stick together on impact and remain stationary at the point of impact. Does this situation mean that momentum has been lost during this particular collision? State your answer with supporting arguments which use principles of physics
Write down an expression for the magnitude of the acceleration of a car accelerating under the influence of gravity down a hill at a given angle of steepness.
A train has a speed of v = 66.5 km/h. If the acceleration experienced by the passengers is to be less than 0.35 g, find the smallest radius of curvature R acceptable for the track
IP Suppose a planet is discovered that has the same amount of mass in a given volume as the earth, but has radius 1/6 R Earth. Calculate the acceleration due to gravity on this planed
An automobile has a total mass of 1700 kg. It accelerates from rest to 40 km/h in 10 s. Assume each wheel is a uniform 32 kg disk. find the total kinetic energy of each wheel
although the magnitudes of the equipotentials and electric fields for electrode configurations a and b are consistent
Determine the acceleration of the system and the tension in the string if the coefficient of friction between A and the table is 0.75.
There is an isolated point charge of q = +15 ?C. Using a test charge of q0 = +0.80 ?C, determine the E-field at point P which is 0.20 m away
A positively charged oil drop of mass is injected into a region of uniform electric field between two oppositely charged, horizontally oriented plates spaced 16 cm apart. what is the magnitude of the charge on the drop
A small ball is attached to one end of a spring that has an unstrained length of 0.188 m. The spring is held with the other end, and the ball is whirled around in a horizontal circle at a speed of 2.91m/s. The spring remains nearly parallel to the gr..
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Determine the astronaut's orbital speed
q1. a hockey stick is swung with an average angular acceleration of 1.5 rads2. what is an angular velocity of the stick
straight upward at +72.5 m/s from a height of 96.0 m, at the edge of a sheer cliff. The projectile falls, just missing the cliff and hitting the ground below. Find the time it takes to hit the ground at the base of the cliff
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