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The mass of a robot is 3780 kg. This robot weighs 3540 N more on planet A than it does on planet B. Both planets have the same radius of 4.00 × 107 m. What is the difference MA - MB in the masses of these planets?
Find out the angle of the thread. If the locomotive can exert a constant pull of 8.36E+5 N, how long does it take to increase the speed of the train from rest to 80.7km/hr.
A particle contains the quark combination: u b, What is the charge of the particle and What is the baryon number of the particle
A ball is thrown horizontally from the top of a building 19.0 m hight and lands 64.7 m from of the building, With what initial speed was the ball thrown
A uniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the wall. The ladder weighs 180 N. What is the actual frictional force when the man has climbed 1.0 m along the ladder
What is the required resistance of an immersion heater that will increase the temperature of 0.50 kg of water from 10.0°C to 50.0°C
A certain dog whistle operates at 21.6 hz while another brand X operates at an unknown frequency. estimate the operating frequency of brand X
Two small plastic spheres are given positive electrical charges. When they are 15 cm apart, the repulsive force between them has magnitude of 0.220N. what is the charge on each sphere
A simple pendulum has a mass of 0.150 kg and a length of 3.00 m. It is displaced by an angle of 12.0° and then released. What is the utmost speed?What is the maximum angular acceleration?What is the maximum restoring force.
At the instant shown, the spring is unstretched and B is moving downward at 4 ft/s. Use conservation of energy to identify velocity of B when it has moved downward 2 ft from its current position.
Your expression should give 3.0 m/s for and your answer to part A for theta. Express your answer in terms of theta. Sketch a graph of v versus theta for one complete revolution.
The bar is held by a cord that makes a 90? angle with respect to bar and 50 ? with respect to wall. Illustrate what is the magnitude of the horizontal force Hx on the pivot? The acceleration of gravity is 9.8 m/s2.
You roll a ball along the floor for your dog to chase after and catch it. You roll the ball with an initial speed of 15 m/s, how far does the ball go before your dog catches it
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