When the three blocks in the figure are released from rest, they accelerate with a magnitude of 0.500 m/s2. Block 1 has mass M, block 2 has 2M, and block 3 has 2M. What is the coefficient of kinetic friction between block 2 and the table? I get...

There are 3 blocks all with a mass of 1kg. Each is attached to the other by a string, so that block 1 is connected to block 2; block 2 is connected to block 1 and 3; and block 3 is connected to block 2. If The acceleration of the 3 blocks is 2m/s^...

Consider a wooden block of density 700 kg/m^3 and volume 2.0 m^3. What force is required to hold it completely under water?

Block A has mass 1.00 kg , and block B has mass 3.00 kg . The blocks are forced together, compressing a spring S between them; then the system is released from rest on a level, frictionless surface. The spring, which has negligible mass, is not ...

A wedge with mass M rests on a frictionless horizontal table top. A block with mass m is placed on the wedge. There is no friction between the block and the wedge. The system is released from rest. 1) Calculate the acceleration of the wedge. 2...

block m is on a flat surface and connected to a second block 2m by a string. Block 2m is on an incline of 30 deg. over the horizontal and the coef. of friction of the surface is 0.20.

A block starts from rest at the top of a 13.degree inclined plane and encounters a spring,of constant 4.5kN/m,rigidly attached to the plane.The blocks mass 64kg and it compresses the spring by 60cm.

I've read the question on boat building and how much weight the canoe can carry. My biggest challenge is the units in which these are measured. Is there any way that these can be related to cubic meters? The question I have is as follows...

The crate is connected by a string over a frictionless pulley to a suspended mass M. If the sliding block starts from rest, a) shaw that the speed when it reaches the pulley is given by v={2/3 gd(1-2muk)}^1/2 b) Show that the final kinetic ...

You have 2 objects; objects A and B. Object A and object B are made of the exact same material, are the exact same geometric shape and size, and are on the exact same type of surface. However, object B is heavier than object A. What conclusion can...

A block is attached to a horizontal spring and oscillates back and forth on a frictionless horizontal surface at a frequency of 4.20 Hz. The amplitude of the motion is 6.03 x 10-2 m. At the point where the block has its maximum speed, it suddenly ...

A massless spring with spring constant k is placed between a block of mass m and a block of mass 3m. Initially the blocks are at rest on a frictionless surface and they are held together so that the spring between them is compressed by an amount D...

A rope is wrapped around a wheel of radious R=2.0 meters. The wheel is mounted with frictionless bearings on an axle through its center. A block of unknown mass is suspended from the end of the rope. When the system is released from rest it is ...

Block M1 is resting on the table connected to M2 that is hanging. The pulley can be considered to be massless, and friction is negligible. M1 is two times more massive than M2. If the system is released from rest, how far will M1 travel in 0.809s...

I know they are easy I just can't remember how to do these can anyone help thanks :) Q1 Anne and emer wanted To compare their powers .They devised a competition .Each of them lifted bricks of a mass of 10kg from the ground onto a wall 1.5m...

What should be the minimum speed for a block to be projected on flat horizontal surface so that it reaches the top of a wedge of height h ahead twice of its mass (free to move). Assume no friction acts.

The information that the question gives me is that: A block and tackle pulley with a velocity ratio of 5 and 60% efficiency is used to lift a load of mass 60kg through a vertical height of 2 meters. 1. What effort must be exerted? 2. How ...

With a force F=2Mg, which forms an α angle with the horizontal plane, two blocks are pulled along an horizontal surface (mass M and M2), linked together by a rope. The coefficient of friction is μ. What is the acceleration of the system? and ...

A block-spring system oscillates with an amplitude of 3.50 cm. The spring constant is 250 N/m and the mass of the block is 0.600 kg. A.Determine the mechanical energy of the system in Joules B.Determine the maximum speed of the block (m/s) C...

A a block starts from rest at the top of a 40' incline and accelerates uniformly down the incline moving 2m in 1.2s A) find the magnitude of the acceleration of yr bock B) find the coefficient of kinetic friction between the block and...

A block of mass 30kg is being brought down by a chain. If the block acquires a speed of 40cm/s in dropping down 2m,find the work done by the chain during the process.

incline. It reaches the bottom traveling @ 10m/s. The block then enters a frictionless vertical loop of radius 2m. The block performs one revolution and exits the loop. 1) Find the radial acceleration of the block at the bottom of the hoop 2) ...

A 2.4 kg wood block hangs from the bottom of a 1.0 kg, 1.2m long rod. The block and rod form a pendulum that swings on a frictionless pivot at the top end of the rod. A 14 g bullet is fired into the block, where it sticks, causing the pendulum to ...

A spring is hung from the ceiling. When a block is attached to its end, it stretches 2.0 cm before reaching its new equilibrium length. The block is then pulled down slightly and released. What is the frequency of oscillation? Thanks for ...

For a physics problem I have the equation -.5Ma - mg = ma (where M and m are different masses) and in the book they say to turn this equation into a = -g x 2m/M + 2m so that a can be solved for. My problem is that I can't figure out how to do...

A block that has a mass of 5.0 kg is on a rough inclined plane (23 degrees with respect to the floor) and is connected to another block with mass 7.0 kg that is hanging over the ramp from a pulley. There is friction between the 5.0 kg block and ...

A 1.00 kg block is at rest at the top of a frictionless inclined plane. The block is released and collides with another 1.00 kg block at the bottom of the ramp. The two blocks stick together and go around a frictionless loop with a radius of 5.00 ...

Method Set Up Set up a g clamp on a table with a pair of approx. half inch thick wooden blocks to protect the surface. In the clamp set up the saw blade supplied with 0.3 m protruding outwards from the table. Tie a half metre length of string to...

A 2.4kg block rests on a 30 degree slope and is attached by a string of negligible mass to solid drum of mass 0.90kg and radius 4.4cm. When released, the block accelerates down the slope at 2.0m/s^2.