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A projectile of mass 0.702 kg is shot straight up with an initial speed of 16.1 m/s.
(a) How high would it go if there were no air resistance?
(b) If the projectile rises to a maximum height of only 9.92 m, determine the magnitude of the average force due to air resistance.
Car has the mass M = 1100kg at 60.0 km/hour. What is the radius of the turn if theta = 20.0 degrees
A cylindrical container 1.1 tall contains mercury to a certain depth. The rest of the cylinder is filled with water.If the pressure at the bottom of cylinder is two atmospheres, what is the depth.
A child throws a ball with an initial speed of 8:00m/s at an angle of 40 degrees above the horizontal, what is the magnitude of the ball's velocity just before it hits the ground
A person with a weight of 237 lb stands on two feet with their weight equally distributed between the two shoes, What is the pressure on each shoe independently
A state highway patrol car radar unit uses a frequency of 8.00×10^9Hz. What frequency difference will the unit detect from a car receding at the speed of 44.50 from a stationary patrol car.
What's the quickest way to approach this problem? A car is traveling at 80 km/h along the highway. A second car is located 1 km behind, but traveling at 100 km/h. How long does it take for the second car to pass the first?
A sealed closed tube length=1.5 m of unknown gas, frequency = 210 Hz. what is the speed of sound in that gas
A person is performing a knee extension exercise with a 100 N weight acting at the ankle. What is the torque at the knee necessary to maintain a knee joint angle of -60q relative to the right horizontal passing through the knee joint
Starting from rest, you pull the string with a constant force F = 8 N along a nearly frictionless surface. At the instant while the center of the disk has moved a distance x = 0.12 m, a length d = 0.27 m of string has unwound off the disk.
returns the shot with the ball traveling horizontally at 40 m/s in the opposite direction. Illustrate what is the impulse delivered to the ball by the tennis racquet?
A child and sled with a combined mass of 49.20 kg slide down a frictionless hill that is 7.38 m high. If the sled starts from rest, what is its speed at the bottom of hill.
250 kg ball is dropped to the floor from a height of 1.0 m and upon rebounding, reaches a height of .60 m. What is the impulse delivered to the ball by the floor?
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