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A person rides a motorbike 190 m along a road that slants upward at 9.0 o from the horizontal.
1. How far has the rider gone in the horizontal direction?
2. How much higher will the rider be at the end of the trip?
In a certain experiment, the pressure of a gas depends on the volume by P=alphaV^2 + betaV^2, where alpha = 3.5 Pa/m^9 and beta = 8.2 Pa/m^6. What is the work done on the gas
about 0.1 ev is required to break a hydrogen bond in a protein molecule. calculate the minimum frequency and maximum
What is the rms current in a series RC circuit if R = 6.0 kohm . C = 0.80 muF, and the rms applied voltage is 120 V at 60 Hz? What is the phase angle between voltage and the current? What is the power dissipated by the circuit? What are the voltmeter..
a horizontal force of 50 n is applied for 10 s on a box of mass 20kg placed on a friction-less horizontal table .
Two large metal plates of area 0.5 m2 face each other. They are 4.8 cm apart and have equal but opposite charges on their inner surfaces. what is the magnitude of the charge on each plate
A projectile is launched straight up at 141m/s. How fast is it moving at the top of its trajectory? Presume it is launched upward at 45 degrees above the horizontal plane. How fast is it moving at the top of its curved trajectory.
A 500g glider on an air track is at rest, and is attached to a spring with a spring constant of 10 N/m. What is the amplitude and period of the resulting oscillations
A gun is fired with angle of elevation 30 degrees. The max height of the shell is 300 meters. What was the muzzle speed
The heels on a pair of women's shoes have radii of 0.5 cm at the bottom. If 30% of the weight of a woman weighing 480 N is supported by each heel, find the stress on each heel
A sinusoidal voltage E=200sin314t is applied to a resistor of 10 ohm resistance. Calculate r.m.s of the voltage. rms of the current, power diddipated as heat in watt.
A key falls from a bridge that is 52 mabove the water. It falls directly into a model boat, moving withconstant velocity, What is the speed of the boat
A guitar string is vibrating in its fundamental mode, with nodes at each end. The length of the segment of the string that is free to vibrate is 0.385 m. What is the amplitude of this standing wave
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