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Q. An airplane is flying with a velocity of 95.0 at an angle of 25.0 above the horizontal. When the plane is a distance 126 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.How far from the dog will the suitcase land? You can ignore air resistance
Q. A total charge of 0.001 C is shared by two metallic spheres A and B of radii 5 cm and 1 cm that are connected by a long thin wire of of length 2 m . Find the charge on sphere A.
If the beam now strikes the top of a building standing directly at the water's edge, find out the height of the building.
The coefficient of kinetic friction between a 20 Kg box and the floor is 0.40. How much work does a pulling force do on the box in pulling it 8.0 m at the constant speed? The pulling force is directed 390 above the horizontal.
Write down a function named as kineticEnergy() which determines the kinetic energy of an object in accordance with the following formula.
Calculate the size of the average force. plan the force vectors with their tails at the left sphere
A pipe open only at one end has a fundamental frequency of 214 Hz. A second pipe, initially identical to first pipe, is shortened by cutting off the portion of the open end. Now, as both pipes vibrate at their fundamental frequencies, the beat freque..
A car travelling at 105 strikes a tree. The front end of the car compresses and the driver comes to rest after travelling 0.85. What was the magnitude of an average acceleration of the driver during the collision? State the answer in terms of "'s,..
The coefficients of friction for plastic on wood are μs = 0.50 and μk = 0.40. How much horizontal force would you want to apply to a 4.0-lb plastic calculator to start it moving from rest.
What is the direction of proton after the collision? What is the direction of carbon atom after the collision.
What focal length does the lens need. how many meters will the car have moved before it begins to slow down.
Two identical pellet guns are fired simultaneously from the edge of a cliff. These guns impart an initial speed of 24.1 m/s to each pellet. Gun A is fired straight upward, with the pellet going up and then falling back down, eventually hitting the..
A car traveling at 21 runs out of gas while traveling up a 21 slope.How far up the hill will it coast before starting to roll back down.
Old naval ships fired 14 kg cannon balls from a 250 kg cannon. It was very important to stop the recoil of the cannon, since otherwise heavy cannon would go careening across the deck of the ship. In one design, a large spring with spring constant 2..
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