15. A 2.00 kg mass is spinning around a pole as shown. a. If it is 1.00 m from the pole and the tangential velocity is 2.25 m/s, what is the angle the string makes to the pole? LL00 2.00 kg b. If the same 2.00 kg mass on the same string spins faster until it makes a 60.0°, what is the new tangential velocity? O 60.0 2.00 kg c. Two wires lengths, L=1.00 m and L=1.732 m, are placed at the angles of 60.0° and 30.0°, as shown. What velocity would be needed to make the tension the same in each wire? 030.0 L1.732 LL00 0-60.0 2.00 kg

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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15. A 2.00 kg mass is spinning around a pole as shown.
a. If it is 1.00 m from the pole and the tangential velocity is 2.25 m/s, what is the
angle the string makes to the pole?
0= ?
L=1.00
2.00 kg
b. If the same 2.00 kg mass on the same string spins faster until it makes a 60.0°,
what is the new tangential velocity?
0= 60.0
2.00 kg
c. Two wires lengths, L=1.00 m and L=1.732 m, are placed at the angles of 60.0° and
30.0°, as shown. What velocity would be needed to make the tension the same
in each wire?
0-30.0
L-1.732
AL-1.00
0-60.0
2.00 kg
Transcribed Image Text:15. A 2.00 kg mass is spinning around a pole as shown. a. If it is 1.00 m from the pole and the tangential velocity is 2.25 m/s, what is the angle the string makes to the pole? 0= ? L=1.00 2.00 kg b. If the same 2.00 kg mass on the same string spins faster until it makes a 60.0°, what is the new tangential velocity? 0= 60.0 2.00 kg c. Two wires lengths, L=1.00 m and L=1.732 m, are placed at the angles of 60.0° and 30.0°, as shown. What velocity would be needed to make the tension the same in each wire? 0-30.0 L-1.732 AL-1.00 0-60.0 2.00 kg
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