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A bicycle wheel has a mass of 1.5 kg and a radius of 0.3 m. Ignore the mass of the spokes of the wheel. A force of 20 N is applied to the spokes 0.04 m from the axle tangent to the wheel.
A) What is the applied torque?
B) What is the angular acceleration?
C) What is the angular velocity and the tangential velocity of the wheel after 4.0 sec?
Illustrate what is the magnitude of the change in momentum of the ball while in contact with the bat if the ball leaves with a velocity of (a) 18 m/s, vertically downward, and (b) 18 m/s, horizontally back toward the pitcher?
A man claims that he can hold onto a 16.0-kg child in a head-on collision as long as he has his seat belt on. Find the magnitude of the average force needed to hold onto the child
A monkey is chained to a stake in the ground. The stake is 2.72 m from a vertical pole, and the chain is 3.82 m long. How high can the monkey climb up the pole
A loud speaker diaphragm is producing a sound for 2.5s by moving back and forth in simple harmonic motion. How many times does the diaphragm move back and forth
A parallel-plate capacitor is formed from two 9.10cm x 9.10cm electrodes spaced 2 mm apart. The electric field strength inside the capacitor is 5.00*10^6 . What is the charge (in nC) on each electrode ?What is the final velocity of the electron.
An airplane maintains a speed of 567 km/h relative to the air it is flying through as it makes a trip to a city 745 km away to the north.
High speed stroboscopic photographs show that the head of a 181 g golf club is traveling at 55.4 m/s, Find the speed of the golf ball just after impact
A gas initially occupying a volume V undergoes a sudden explosion, causing its volume to triple to 3V. Assuming that the pressure of the environment (atmospheric pressure po) remains constant,
A galvanometer with a full-scale sensitivity of 800uA and a coil resistance of 54 ohms is to be used to build an ammeter designed to read 6.0A at full scale
When blue light of wavelength 465 nm illuminates a diffraction grating, it produces a 1st order utmost but no 2nd order maximum.
an ideal gas occupies a volume of 1.0 cm at 20 degrees C, and atmospheric pressure. Determine the number of molecules of gas in the container
An initially stationary hovercraft sits on a large lake. At time t=0 it accelerates due north at a rate of 1.2 m/s2 for 10 s, what is the velocity of the hovercraft at time t=40 s
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