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A 3.00 kg block starts from rest at the top of a 30.0 degreeincline and accelerates uniformly down the incline moving 2.00 m in1.50 s.a. Find the magnitude of the acceleration of the block.b. Find the coefficient of kinetic friction between the blockand the incline.c. Find the magnitude of the frictional force acting on the block.d. Find the speed of the block after it has slid a distance of2.00 m.
A copper wire is 10.00 m long and has a cross-sectional area of 1.00 x10-4 m2. This wire forms a one turn loop in the shape of a square and is then connected to the battery that applies a potential difference of 0.200 V.
What is the speed of the block of clay right after the collision. What impulse does the clay exert on the block.
An artificial lens is implanted in a person's eye to replace a diseased lens. The distance between the artificial lens and the retina is 2.78 cm. What is the power of the implanted lens
A fire hose ejects a stream of water at an angle of 30.4 ° above the horizontal. The water leaves the nozzle with a speed of 29.3 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit t..
What mass (in grams) of steam at 100°C must be mixed with 251 g of ice at its melting point, in a thermally insulated container, to create liquid water at 66.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, an..
A tiger leaps horizontally from a 5.4 -high rock with a speed of 4.0. How far from the base of the rock will she land
A meterstick is initially balanced on a fulcrum at its midpoint. You have four identical masses. Where should the fourth mass be placed in order to balance the meterstick
The position of a particle moving along an x axis is given by x = 17t2 - 6.0t3, What is the maximum positive coordinate reached by the particle
A typical nuclear reactor generates 1000MW (1000MJ/s) of electrical energy. How many liters of cooling water have to be pumped through the reactor each minute
Once can set up a two-dimensional scattering theory that could be applied to puck projectiles sliding on an ice rink and colliding with various target obstacles.
When a slice of buttered toast is accidentally pushed over the edge of a counter, it rotates as it falls. Suppose the distance to the floor is 86 cm and the toast rotates less than 1 rev. (a) What is the smallest angular speed that causes the toast t..
The wavelength of the x-radiation we use in our diffractometer is 1.54Angstroms. What is the ratio of the energy of these x-ray photons to the energy in the most energetic of visible light? Given this discuss why x-rays are considered dangerous to pe..
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