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Suppose that a 1 kg standard body accelerates at 4.00 m/s^2 at 160 degrees from the positive direction of the x-axis, owing to two forces, one of which is F_1=(2.5N)I+(4.6N)j. What is the second force in unit vector notation? What is the magnitude and direction of the second force?
An observer on the ground watches the boy throw the can and catch it. In this observer's ground frame of reference, explain the shape of can's path and determine the initial velocity of the can.
A 69.20-kg free runner jumps off a wall at a velocity of 6.95 m/s at an altitude of 2.37 m above the ground. What is the free runner's kinetic energy when he jumps off the wall
Calculate the resistance of a piece of nichrome wire 2.00 m long. the cross-sectional area of the 20 gauge wire is 0.5176 mm2
A defibrillator consists of a 16.7-µF capacitor that is charged to 9.0 kV. (a) If the capacitor is discharged in 2.0 ms, how much charge passes through the body tissues? C (b) What is the average power delivered to the tissues?
An air-core solenoid is attached to a 6 V battery via a switch. The switch is closed, what is the resistance and inductance of the coil
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles (helium nuclei, each consisting of 2 protons and 2 neutrons).
A ball is thrown horizontally from a height of 19.8 m and hits the ground with a speed that is three times its initial speed
1. A communications system uses QPSK instead of binary PSK. How much bandwidth is saved 2. A modem utilizes 8PSK modulation. If the modem's baud rate is 24 kbps, what is the information rate in kbps
A small ball rolls horizontally off the edge of a tabletop that is 1.06 m high. how long was the ball in the air
Three 15-? resistors are connected in parallel. This arrangement is connected in series with a 10-? resistor. What is the effective resistance of the parallel portion of the circuit
Find out the translational speed at the bottom of the fall where it is horizontal. Ignore the frictional losses and assume mass of the cylinder is distributed uniformly.
A system consisting of an ideal gas at the constant pressure of 120kPa gains 800J of heat a)Find the change in volume of the system if the internal energy of the gas increases by 480J b)Find the change in volume of the system if the internal energ..
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