Physics

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1. Physics

   A 15 kg block is on a ramp which is inclined at 20 degrees above the horizontal. It's connected by a string to a 19kg mass which hangs over the top edge of the ramp. With no frictional forces taken into account, what is the

2. Physics

   A 3.00-kg block starts from rest at the top of a 25.5° incline and slides 2.00 m down the incline in 1.75 s. (a) Find the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the

3. physics

   A 3.00 kg block starts from rest at the top of a 30° incline and accelerates uniformly down the incline, moving 1.94 m in 1.70 s. (a) Find the magnitude of the acceleration of the block. (b) Find the coefficient of kinetic

4. Physics

   a 2.5kg block initially at rest on horizontal surface. A horizontal force F of magnitude 6N and a vertical force P are the applied to the block. The coefficients of friction for the block and surface are Ms=0.4 and

1. Physics

   A 2.0 kg block of iron slides along a floor, decreasing its speed from 4.0 m/s to 1.0 m/s. a) How much work does the frictional resistance of the floor do on the block? b) If the reduction in velocity occurred over a distance of

2. Physics

   A 10 kg block is allowed to slide down a ramp with uk = 0.15. a. What is the value of the frictional force opposing the block's slide down the ramp? b. What is the acceleration of the block?

3. Physics

   A 3.0 kg block being pulled across a table by a horizontal force of 80 N also experiences a frictional force of 5 N. What is the acceleration of the block?

4. Physics HELP!

   A block of mass 3 kg slides along a horizontal surface while a 20-N force is applied to it at an angle of 25°. If needed, use g = 10 m/s2. For a coefficient of kinetic friction of 0.3 between the block and the surface, the

1. Physics

   In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the

2. Physics

   A 20.0-kg crate sits at rest at the bottom of a 13.5 m -long ramp that is inclined at 40 ∘ above the horizontal. A constant horizontal force of 290 N is applied to the crate to push it up the ramp. While the crate is moving, the

3. Physics

   the only part i cant figure out is the max static friction force that acts on the block. please help show me how to find it Suppose a block with mass 2.00 kg is resting on a ramp. If the coefficient of static friction between the

4. physics

   In Fig. 8-49, a block slides down an incline. As it moves from point A to point B, which are 3.0 m apart, force acts on the block, with magnitude 3.8 N and directed down the incline. The magnitude of the frictional force acting on

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