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A space ship releases a satellite at an altitude of 220 km while orbiting a planet having a radius and mass of 6400 km and 2.6E28 kg, respectively. Determine the shuttles orbit velocity km/hr.
A tuning fork vibrating at 514 Hzfalls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork
an electron is accelerated from rest by a potential difference of 350 v. it then enters a uniform magnetic field of
A hot air balloon is rising upward with a constant speed of 5 m/s. How high above the ground is the balloon when the compass hits the ground
What is the electric force (with direction) on an electron in a uniform electric field of strength 2510 N/C that points due east? Take the positive direction to be east.
Three charged particles are placed at each of three corners of an equilateral triangle whose sides are of length 2.4 cm, Find the net force acting on particle 3 due to the presence of the other two particles
Two identical ions are separated by a distance of 6.33×10-10 m and exert an electrostatic force of 4.66×10-8 N on each other. How many electrons are missing from each ion?
A student (m = 63kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.040 s. From what height did the student fall
Find the number of revolutions that the wheel turns before it stops(and begins to turn in the opposite direction).
A 0.2 kg steel ball is dropped straight down onto a hard, horizontal floor and bounces straight up. FIND the magnitude of the impulse delivered to the floor by the steel ball
You have a converging lens with a focal length of 0.85 m, and wish to construct a refracting telescope with an angular magnification of âˆ'45. what should be the focal length of the second lens
a pellet gun is fired straight downward from the edge of a cliff that is 12.2 m above the ground. the pellet strikes
A bat flying toward an obstacle at 10 m/s emits brief, high-frequency sound pulses at a repetition frequency of 77 Hz. What is the time interval between the echo pulses heard by the bat
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