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A 2762 kg van runs into the back of a 931 kg compact car atrest. They move off together at 6.2 m/s. Assuming nofricition with the ground, find the initial speed of the van. Answer in units of m/s.
A car traveling at 24 m/s runs out of gas while traveling up a 9 degree slope. How far will it coast before starting to roll back down.
Compare the electric force holding the electron in orbit (r=0.53×10?10m) around the proton nucleus of the hydrogen atom, What is the ratio of these two forces
A bumper car with mass m1 = 102 kg is moving to the right with a velocity of v1 = 4.9 m/s. A second bumper car with mass m2 = 90 kg is moving to the left with a velocity of v2 = -3.3 m/s, What is the velocity of the center of mass of the system
Its thermal conductivity is 7.50×10?2W/(m?K) ; If the temperature difference between opposite faces is 84.5?C, how much heat flows through the slab in 1 day
Saturn has an equatorial radius of 6.00 107 m and a mass of 5.67 1026 kg. Compute the acceleration of gravity at the equator of Saturn
Three forces acting on an object are given by 1 = (?2.45 + 5.60) N, 2 = (5.30 ? 1.3) N, and 3 = (?42.5) N. What is the direction of the acceleration
A 35.0g bullet moving at 475 m/s strikes a 2.5kg bag of flourthat is on ice, at rest. The bullet passes through the bag, andexits it at 275 m/s. How fast is the bag moving when the bulletexits?
Two boats are heading away from shore. Boat 1 heads due north at a speed of 2.90 m/s relative to the shore. Relative to Boat 1, Boat 2 is moving 28.2° north of east at a speed of 1.63 m/s. A passenger on Boat 2 walks due east across the deck at a spe..
a 150lb male athlete is running on a treadmill machine at a speed of 10mi/hr in a thermally insulated room. after one hour how much weight will the athlete lose
A farsighted woman breaks her current eyeglasses and is using an old pair whose refractive power is 1.990 diopters. How far is her near point from her eyes
Change values of the initial position, initial velocity, and the acceleration of the car so that its center follows the same path as the dot. What is the equation that describes motion of the dot.
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800kg/m3 , length 79.9cm, Calculate the weight of the rod, w
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