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A 65 kg person throws a .045 kg snowball forward with a speed of 30 m/s. a second person with a mass of 60 kg catches the snowball. Both are at rest. What happens to the first skater?
A) The skater stays at rest.
B) The skater moves in the same direction as the snowball with a speed of 0.9 m/s.
C) The skater moves in the opposite direction as the snowball with a speed of 2.09 cm/s.
D) The skater moves in the opposite direction as the snowball with a speed of 1.50 m/s.
Geologists measure conductive heat flow out of the earth by drilling holes (a few hundred meters deep) and measuring the temperature as a function of depth, what rate is the earth losing heat via conduction?
Draw two diagrams for the situation where a moving train (with initial speed v0) collides elastically with a target train that is not intially moving, Show that the final velocity of each train will be:
A 94 cm is pulled aside a small distance and released. After 120 oscillations the amplitude is one-half of its starting value. What is the value of the damping coefficient
A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0 degrees, Find the vertical component of the force
Let's say you measure t1/2 to be 0.0299 seconds and the resistance in the circuit is 108 Ohms. Then what is the capacitance in micro Farads
A baton consists of a 10-cm rod of mass 200 g with small metal spheres, each of mass 100 g, on either end. Calculate the moment of inertia of the baton about an axis through the center of the rod and perpendicular to it
Two people, one of mass 88kg and the other of mass 62kg , sit in a rowboat of mass 68kg. With the boat initially at rest, In what direction will the boat move
What is the distance, measured along the screen, between this bright fringe and bright fringe corresponding to m = 3.
The eyepiece of a refracting astronomical telescope (see the figure) has a focal length of 8.75 c. What is the angular magnification of the telescope
A toboggan approaches a snowy hill moving at 14.8m/s, Find the acceleration of the toboggan as it is going up the hill
question1if a race car completes a mi oval track in s what is its average speed? did the car accelerate? i know what an
A transformer has input voltage and current of 10 V and 4 A respectively, and an output current of 0.8 A. how many turns are on the primary side
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