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If a rock is moved from earth to the moon the force of gravity decreases. Is this due to a decrease mass of the object? Explain.
A 3.9kg ball with a velocity of 3.2m/s in the +x-direction collides head-on elastically with a stationary 1.5kg ball. What is the speed of the first ball after the collision
An electric dipole includes a charge of 4 ?C and a second charge. What is the total charge of the dipole
Find out that the value of the gravitational field strength
A hockey puck leaves players stick with a speed of 8.30m/s and slides 28.0m before coming to rest. Find the coefficient of friction between the puck and the ice
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 16m/s at an angle of 38 degrees above the horizontal. How high is the ball when it hits the wall
Two identical gases of the noble gas group with the same pressure P and the same number of particles. Find the change in entropy after the system has reached equilibrium.
A winch cable of negligible mass has a cross-sectional area of 1.6 cm2 and a length of 2.2 m. Young's modulus for the cable is 150 GN/m2. what is the oscillation frequency of the engine block at the end of the cable
A cluster of galaxies has a radius of about 5.2 million light-years (4.9×10^22) and an intracluster medium with a temperature of (6.5×10^7) K. Estimate the mass of the cluster. Give the answer in both kilograms and solar masses. Suppose combined l..
A proton exeriences a magnetic field B= 1.9 X 10^-4i^ T and electric field E = 3.2 j^ N/C, what is the net force on the proton
A water molecule can vibrate in various ways, but the easiest kind of vibration to excite is the "flexing" mode in which the hydrogen atoms move toward and away from each other by HO bonds do not stretch.
Jerry is 57 kg and when he stands on a bathroom scale, the spring inside the scale compresses 0.41 mm. If the scale will be damaged if the force exceeds 60000 N, what is the maximum height Jerry can jump on the scale
two shuffleboard disks of equal mass one orange and the other yellow are involved in a perfectly elastic glancing
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