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He pulls down on a rope as shown, to raise himself and the cage. The man and cage have a total weight of 639 nt. Ignore friction as negligible.
A crate rests on a truck which is traveling at speed V= 26 m/sec down a hill inclined at angle b= 8 degrees.
A radar station detects an airplane approaching directly from the east. At first observation, the range to the plane is 360 m at 40 degrees.
The horizontal and vertical components of the acceleration of the block. (Do these answers reduce to the correct results when M is very large.
The same force applied to a second object of mass m2 produces an acceleration of 1.00m/s^2.
What is the average acceleration of the ball while it is in contact with the wall? Define the initial direction of the ball's motion to be positive.
A car accelerates from rest and travels for 4.98 s with a uniform acceleration of +1.50 m/s^2. The driver then applies the brakes.
Just as an empty box car passes him, the fugitive starts from rest and accelerates at 3.84 m/s^2 to his maximum speed of 8.23 m/s.
If the plane is traveling horizontally with a speed of 223 km/hr (61.9 m/s), how far in advance of the recipients (horizontal distance) must the goods be droppe
If the speed of the stream as it leaves the hose is 40.1 m/s, at what height will the stream of water strike the building?
The coefficient of kinetic friction is 0.271. If the system is set in motion with m2 moving downward, what will be the acceleration of the system?
At what minimum speed must a roller coaster be traveling when upside down at the top of a circle if the passengers are not to fall out?
"A runner hopes to complete the 10,000-m run in less than 30.0 minutes. After exactly 27.0 minutes, there are still 1100 m to go."
Its speed is 16 meters per second. What is the magnitude and direction of the total force exerted on the car by the track?
An airplane has a mass of 3.1 x 10^4 kg and takes off under the influence of a constant net force of 3.7 x 10^4 N.
The coefficient of the static friction between the cup and the table is 0.30. Suddenly, the plane accelerates, its altitude remaining constant.
The blades in a blender rotate at a rate of 7290 rpm. When the motor is turned off during operation, the blades slow to rest in 3.67 s.
A combined air filled, spring loaded cylinder has a frictionless piston of area 0.012 m^2 that rests against the spring.
A mass attached to a 59.7 cm long string starts from rest and is rotated 32 times in 68.0 s before reaching a final angular speed.
The rod is held horizontally and then released. Determine the angular acceleration of the rod at the moment of release.
The vertical distance is given as 120 cms. The radius of the pulley (in the form of a disc) is 5 cms. Mass of the pulley is unknown.
A Ferris wheel rotates at an angular velocity of 0.24 rad/s. Starting from rest, it reaches its operating speed with an average angular acceleration.
Use the second law of thermodynamics to explain why many poor people in developing countries live on a mostly vegetarian diet?
The chamber is 3.0 m from the axis of rotation. Through what angle has the device rotated when the centripetal acceleration.