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A 2.36 kg mass with an initial velocity of v1 = aˆi, where a = 5.75 m/s collides with and sticks to a 2.53 kg mass with an initial velocity of v1 = bˆj, where b = ?4.8 m/s.
Find the final speed of the composite mass. Answer in units of m/s.
He was supposed to travel due north for 5.6km, but he actuallytraveled 7.8km at 50 degrees north due east. (a) how far and (b) elucidate in what direction must he now travel to reach base camp?
Two soccer players, Mia and Alice, are running as Alice passes the ball to Mia. What is the magnitude and direction of the velocity of the ball relative to the ground
A magnetic field of 3 Tesla is oriented into the page. A 10 cm long conducting bar is pulled to the right at a constant speed of 3.4 m/s. What is the magnitude of the current in the bar
Two sound sources radiating in phase at a frequency of 485 Hz interfere such that maxima are heard at angles of 0 and 22° from a line perpendicular to that joining the two sources. Find out the separation between the two sources.
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.220 s, elucidate what is the average force exerted on the ball by the wall?
Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal, Calculate the ratio qB/qA of the charges
a capacitor is connected across the terminals of an ac generator that has a frequency of 448 Hz and supplies a voltage of 21 V. Find the capacitance of the second capacitor.
You are given a pendulum composed of a 0.024 kg mass on the end of a 0.60 m long massless string. Find the gravitational potential energy of the mass
A 10.0-g bullet is fired from a rifle having a barrel 0.60 m long. Choosing the origin to be at the location where the bullet begins to move, Find the speed of the bullet as it leaves the barrel
A swimmer bounces straight up from a diving board and falls feet first into a pool. What is her velocity when her feet hit the water
The mass per unit length of the cord is 1.24 e-2 kg/m, so the mass of the cord is negligible compared to the mass of block. The cord is being vibrated at a frequency of 167 Hz (vibration source not shown in the drawing).
For your final exam in electronics, you're asked to build an LC circuit that oscillates at 15kHz, What values of inductance and capacitance must you use
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