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Starting from rest, a basketball rolls from the top to the bottom of a hill, reaching a translational speed of 7.9 m/s. Ignore frictional losses. (a) What is the height of the hill? (b) Released from rest at the same height, a can of frozen juice rolls to the bottom of the same hill. What is the translational speed of the frozen juice can when it reaches the bottom?
A wedding ring is tossed into the air and given a spin, resulting in an angular velocity of 19.3 rotations per second, what is the diameter of the ring
A string with a mass of 31 g and a length of 2 m is stretched under a tension of 67 N. How much power must be supplied to the string
A 650 kg elevator starts from rest. it moves upward for 3.5s withconstant acceleration until it reaches its cruising speed,1.75m/s . What is the average power of the elevator motorduring this period?
A sound wave of frequency 850 Hz propagating through air has apressure amplitude of 6.5 Pa. What are the (a) Wavelength, Particle displacement amplitude
Your friend has a pair of fuzzy dice with a mass of 1.19 gram hanging from his rear-view mirror, Find at what angle to the vertical will the tension in the string be twice the weight of the dice
A stretched rubber band has the length of 0.04 m and a fundamental frequency of 462 Hz. What is the speed at which waves travel on the rubber band.
0.800-v potential difference is maintained across a 1.60-m lenght of tungsten wire (the resistivity of tungsten is 1x10-5 resistance cm) that has a corss-sectional area of 0.800mm2 what is the current in the wire
A homemade capacitor is assembled by placing two 7 in pie pans 10 cm apart and connecting them to the opposite terminals of a 9 V battery. Estimate the work done by the battery to charge the plates
A proton is released from rest at point A, which is located next to the positive plate of a parallel plate capacitor. Determine the radius of the circular path on which the proton moves in the magnetic field
A spherical capacitor contains a charge of 3.40nC when connected to a potential difference of 250V. Calculate the radius of the inner sphere
The earth has a net electric charge that causes a field at points near its surface equal to 150N/C and directed in toward the center of the earth. a) What magnitude and sign of charge would a 60 kg human have to acquire to overcome his or her weig..
A girl with mass m1 and a sled with mass m2 are on the frictionless ice of a frozen lake, How far from the girl's initial position do they meet
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