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A red 2·kg ball traveling 8·m/s due north collides with a green 2·kg ball traveling 5·m/s due west and they stick together. What is the speed of the two stuck-together balls after the collision? m/s. Calling due north 0°, due west 90°, due south 180°, due east 270°, and so on, what direction is he green ball going after the collision?
A meteorite that has a mass equal to 30.8 tonne (1 tonne = 1000 kg) is exhibited in the American Museum of Natural History in New York City, Find the magnitude of the impulse experienced by the meteorite up to the time its kinetic energy was halved
A skateboarder, starting from rest, rolls down a 12.5 m ramp. When she arrives at the bottom of the ramp her speed is 6.10 m/s. Determine the magnitude of her acceleration
A tank having a volume of 0.100 m3 contains helium gas at 135 atm. How many balloons can the tank blow up
A violin string tuned to 485.0 Hz is found to exhibit 3.5 beats per second with a guitar string. What was the original frequency of the guitar string
Determine how long it would take an astronaut to fall from a height of 2 meters on the Moon. Compare this time to the time it would take the astronaut to fall the same 2 meters on the Earth. Also, compare the time to the time it would take on the ..
Calculate the speed of the fetal heart wall at the instant this measurement is made.
he edge of the thimble of a micrometer moves a distance of 2.0 mm when it is given four complete revolutions. calculate the least count of the micrometer
The gearshift lever AB for the transmission of a sports car has position vector r whose line of action passes through points A and B. The driver applies the force F to the knob B of the lever to shift gears. Find out the magnitude of the component..
During a violent storm, a car is struck by a failing high-voltage wire that puts an excess charge of -850 mircoC on the metal car. how much is on the outer surface of the car
An ideal gas initially at 20°C and 199 kPa has a volume of 3.40 L. It undergoes a quasi-static, Find the heat added to the gas during the expansion
While rearranging a dorm room, a student does 400 J of work in moving a desk 2.0 m. What was the magnitude of the applied horizontal force
A computer CD-ROM drive that operates on 120 V is rated at 50W when it is operating. What is the drive's resistance
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