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Q1. A hockey player makes a slap shot, exerting a constant force of 30.4 N on the hockey puck for 0.12 s. What is the magnitude of the impulse given to the puck?
Q2. A space shuttle is launched from rest. It takes 8.00s to reach 156km/h, and at the end of the first 1.00 min its speed is 1567 km/h.
assuming the acceleration is constant throughout each time interval (but not necessarily the same in both intervals), what distance does the shuttle travel during the interval from 7.00 s to 1.00 min?
A 82 kg diver steps off a 12 m tower and drops from rest straight down into the water. If he comes to rest 4.0 m beneath the surface, find out the average resistance force exerted on him by the water.
The occupant of a small vechical hears a frequency of 1.5x10^3 Hz emitted from a stationary space buoy, What is the speed of sound on the planet
A mass of 125g is suspended from a spring of a spring constant of 38N/m. When this mass is pulled down 3mm and set in oscillation, what is the period and frequency of the oscillation? How different would be both, the period and frequency, if the m..
A modem is designed to transmit at 100 kbps over a channel with 15 dB signal to nose ratio. Find the maximum symbols on the constellation of this modem.
A bird flies 3.6km due west and then flies 1.2km due north, What is the angle between the net displacement vectors of the 2 birds
How several 90-rm W, 120-rm V light bulbs can be connected to a 20-rm A, 120-rm V circuit without tripping the circuit breaker.
Batman (mass = 101 kg) jumps straight down from a bridge into a boat (mass = 590 kg) in which a criminal is fleeing. What is the velocity of the boat after Batman lands in it
A force of 100 N is applied to a 50kg mass in the direction of motion for a distance of 6.0m, how much work is done by the varying force
What mass of stone is necessary if the temperature is not to drop below 18.5°C overnight. Sunlight shining in during the daytime is absorbed by the floor, interior walls, and objects in the room, raising their temperature to 37.5°C.
The potential at location A is 478 V. A positively charged particle is released there from rest and arrives at location B with a speed vB, Find the potential at B
A 3500 resistor and a 1.1 µF capacitor are connected in series across a generator (60.0 Hz, 120 V rms). Determine the average power dissipated in the circuit
A proton moving at 5.0 × 104 m/s horizontally enters a region where a magnetic field of 0.12 T is present, What magnitude force acts on the proton
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