mA 1.00 kg mg = 3.00 kg S
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Block A in Fig. 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 fastened to either
block and drops to the surface after it has expanded. Block B acquires
a speed of 1.20 m/s. (a) What is the final speed of block A? (b) How
much potential energy was stored in the compressed spring?
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- Block A in (Figure 1) has mass 0.800 kg, and block B has mass 2.85 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 fastened to either block and drops to the surface after it has expanded. Block B acquires a speed of 1.30 m/s. Figure S ma 1 of 1 What is the final speed of block A? Express your answer in meters per second. VA.f= 5.16 Π ΑΣΦ Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B Two lying blocks connected by a horizontal spring. U = How much potential energy was stored in the compressed spring? Express your answer in joules. ? ΑΣΦ m/sA block of mass m = 0.37 kg is set against a spring with a spring constant of k1 = 657 N/m which has been compressed by a disntace of 1.0 m. SOme distance in frount of it , along a frictionless service, is another spring with a spring constant of k2 = 268 N/m. The block is not connected to the first spring and may freely slide. I found that d2 = 0.156 Now assume that the surface is rough. You perfrom the experiement and observe that the second spring only compresses a distance of d2/2. How much engery in juels, was lost to friction?A toy gun uses a spring to project a 6.2-g soft rubber sphere horizontally. The spring constant is 8.0 N/m, the barrel of the gun is 12 cm long, and a constant frictional force of 0.039 N exists between barrel and projectile. With what speed does the projectile leave the barrel if the spring was compressed 5.7 cm for this launch? (Assume the projectile is in contact with the barrel for the full 12 cm.)
- A block of mass 3.1 kg is sitting on a frictionless ramp with a spring at the bottom that has a spring constant of 490 N/m (refer to the figure). The angle of the ramp with respect to the horizontal is 29°. The block, starting from rest, slides down the ramp a distance 79 cm before hitting the spring. How far, in centimeters, is the spring compressed as the block comes to momentary rest?Please asapA 1.30 kg block slides on a frictionless horizontal surface until it encounters a spring with a force constant of 520N/m . the block come to rest after compressing the spring by a distance of 2.50 cm .what was the initinal speed of the block?
- A m=2.30 kg mass starts from rest and slides a distance d down a frictionless incline of θ=31.4o. While sliding, it comes into contact with an unstressed spring of negligible mass, as shown in the figure below. The mass slides an additional 0.192 m as it is brought momentarily to rest by compression of the spring (k=500. N/m). Calculate the initial separation d between the mass and the spring. Give your answer in meters.A toy cannon uses a spring to project a 5.33-g soft rubber ball. The spring is originally compressed by 4.99 cm and has a force constant of 8.08 N/m. When the cannon is fired, the ball moves 15.3 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.031 O N on the ball. (a) With what speed does the projectile leave the barrel of the cannon? m/s () At what point does the ball have maximum speed? cm (from its original position) (c) What is this maximum speed? m/sA block of mass 1kg compresses an ideal spring with spring constant k=10 N/m to a maximum compression of 0.1m . What was the initial speed of the block right before it touched the spring? Assume that the net force acting on the block during the compression is the spring force.
- Lab cart A has a mass of 2.5kg. Lab cart B has a mass of 1.8kg. Both cares are at rest on a horizontal surface. Between them is a spring, k=150N/m, compressed 15cm. The system is help at rest and then released. (a) How much energy is initially stored in the spring? (b) After being released from rest, what is the velocity of each of the lab carts?A toy gun uses a spring to project a 5.9 g soft rubber sphere horizontally. The spring constant is 8.0 N/m, the barrel of the gun is 14 cm long, and a constant frictional force of 0.026 N exists between barrel and projectile. With what speed does the projectile leave the barrel if the spring was compressed 5.4 cm for this launch? (Assume the projectile is in contact with the barrel for the full 14 cm)A dart gun contains a spring of spring constant k = 17 N/m which is used to fire a dart of mass m. The dart leaves the gun at a speed of v = 3.5 m/s after the spring is compressed 1 cm. What angle, θ in degrees, does the dart's final velocity make with the horizontal?