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Two jets of material from the center of a radio galaxy fly away in opposite directions. Both jets move at 0.676 c relative to the galaxy. Find the magnitude of the velocity of one jet relative to the other. Answer in units of c.
a kangaroo jumps at an angle of 80deg above the horizontal with a velocity of 15 ms. if the mass of the kangaroo is 75
You are in charge of the construction site of a new dam. Extremely heavy rainfall starts and Bureau of Meteorology hydrologists tell you that beginning at about 8 AM, 2 GL per hour (2 x 10^6 meters^3 per hour) will flow into the dam. The lake behi..
A 54 kg person is parachuting and experiencing a downward acceleration of 2.0 m/s2. The mass of the parachute is 7.6 kg. (a) What is the upward force on the open parachute from the air? (b) What is the magnitude of the downward force on the parachute..
Ricardo walks 22.0 in a direction 50.0 west of north. Jane walks 20.0 in a direction 30.0 south of west. They after that stop and turn to face each other.
The tropical year, the time from vernal equinox to the next vernal equinox, Find the number of seconds in one half of a tropical year
an electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive
A muon is created at the top of Mount Kanchenjunga (height 8,600 m) and travels at constant speed to sea level, what is the height of Mount Kanchenjunga
A loudspeaker is placed between two observers who are 120 m apart, along line connecting them. If one observer records a sound level of 52.8 dB and the other records a sound level of 83.5 dB, how far is the speaker from each observer? Enter the longe..
Here on Earth you hang a mass from a vertical spring and start it oscillating with amplitude 1.9 cm. How long does it take for the mass to make one round trip
a person travels by car from one city to another with different constant speeds between pairs of cities. she drives for
what is the ball's speed immediately after the collision?
a curve in a road forms part of a horizontal circle. as a car goes around it at constant speed of 14m/s the horizontal total force on the driver has magnitude 147n, find the total horizontal force at the same curve
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