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A 950kg compact car is moving with the velocity v1=32x +17ym/s. It skids on an icy, frictionless patch and collides with a 450kg hay wagon moving with velocity v2=12x + 14ym/s. If the final velocity of the wagon is v=32x+17y m/s what is the car's final velocity? Determine if this is an elastic collision.
What is resultant force
A planet orbits a star, in a year of length 2.77 x 107 s, in a nearly circular orbit of radius 3.38 x 1011 m. determine the angular speed of the planet
two boxes a and b are connected by a lightweight cord disregard the mass of the cord. box a has a mass of 5.0 kg and
Each has a charge of +e. The length of one side of the square is L. What is the net electric potential caused by the two positive ions at both of the empty corners of the square
While on the surface of the planet mars a mass of 1 kginitially at rest falls a height of 1m onto a spring. The spring isobserved to compress 0.2m. What is the starting energy of the oscillator
A rock is suspended by a light string. When the rock is in air, the tension in the string is 40.6 N. When the rock is totally immersed in water, What is the density of the unknown liquid
A charged particle moves through a velocity selector at a constant speed in a straight line. Find the charge-to-mass ratio of the particle
Sound waves travel through an aluminum bar at a speed of 1400 m/s. what is the distance between crests on a sound wave traveling through aluminum
find out kinetic energy of ball at the highest point of motion.
A toy train rolls around a horizontal 1.3--diameter track. The coefficient of rolling friction is 0.12. What is the magnitude of the train's angular acceleration
an oxide cathode of a vacuum tube has a work function of 2.0 eV. Calculate the electron flux (number per time per area) from thermal emission when the cathode is heated to 1000 K
The sound level in the middle of a rave is 90.0 dB. What is the sound intensity at this location
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