a 2,40 kg block is dropped into a spring and platform of negligible mass.The block is released a distance of 5,00 m above the platfrom.When the block is momentarily at rest,the spring is compressed by 25,0 cm.Find the speed of the block when the compression of spring is only 15,0 cm

Q: A pogo stick has a spring with a force constant of 2.50×104N/m which can be compressed 12.0 cm. To…

A: Spring constant of spring: k = 2.50×104 N/m  Compressed length: x = 12.0 cm = 0.120 m  Mass of child…

Q: A block of mass m = 2.30 kg is dropped from height h = 77.0 cm onto a spring of spring constant k =…

A: Given: m = mass of block = 2.30 kg h = height from which the block is dropped on the spring = 77 cm…

Q: Calculate the kinetic energy in Joule, of a car of mass 1800kg travelling at 40km/h.

A: Recall KE=1/2mv^2 m=1800kg v=40km/hr=11.11m/s

Q: A block of mass m 1.5 kg is dropped from height h 78 cm onto a spring of spring constant k = 2190…

A: mass of block (m) = 1.5 kg Height (h) = 78 cm = 0.78 m Spring constant (k) = 2190 Nm

Q: A 1.40-kg block slides with a speed of 0.950 m>s on a frictionless horizontal surface until it…

A: Given: Mass of the block = 1.40 Kg Speed of the block = 0.950 m/s Force constant = 734 N/m

Q: 6. A spring gun has a constant of K= 650N/m. It is compressed a distance x 0.04m and a ball of mass…

A:

Q: A block of mass m = 4.80 kg is dropped from height h = 61.0 cm onto a spring of spring constant k =…

A: Let the maximum distance the spring is compressed be x. Write the law of conservation of energy.

Q: If it requires 9.0 J of work to stretch a particular spring by 2.0 cmfrom its equilibrium length,…

A: Consider the work done required to stretch the spring by 2.0 cm be Us, the work done required to…

Q: A block of mass m = 3.70 kg is dropped from height h = 43.0 cm onto a spring of spring constant k =…

A: Given, Mass of the block, m = 3.70 kg height above the spring, h = 43.0 cm = 0.43 m spring constant,…

Q: A 2.00­kg block is pushed against a spring with negligible mass and force constant k = 350 N/m ,…

A:

Q: A block of mass 12.0 kg slides from rest down a frictionless35.0° incline and is stopped by a strong…

A: Use the law of conservation of energy,

Q: A block of mass 0.242 kg is placed on top of a light, vertical spring of force constant 4 850 N/m…

A:

Q: A spring with a spring constant of 144 N/m is compressed by a distance of 16.5 cm. How much elastic…

A:

Q: A single force F(x) = −8.0x (in newtons) acts on a 3.0-kg body. When x = 6.75 m, the speed of the…

A: Given, Force, Fx = -8xMassm = 3 kg , when x = 6.75 m  , v = 4 m/swhen x=2.5m , v = ?

Q: Suppose a spring (with a spring constant of 600 N/m) is compressed 0.4 m. If a projectile of mass…

A: GivenSpring constant, K=600 N/mSpring compressed to distance, d=0.4 mMass of projectile, m=0.05 kg

Q: A block of mass m = 4.30 kg is dropped from height h = 45.0 cm onto a spring of spring constant k =…

A:

Q: A block of mass m=7.3kg slides on a rough surface and moves toward a spring with a spring constant…

A: We have givenMass of block (m)=7.3 kgSpring constant (k) = 1659 N/mWhen Block is d=22.6 m away from…

Q: What is the speed of the block when it has moved a distance of 0.0190 m from its initial position?…

A:

Q: As shown in the figure, a 1.5 kg box is held at rest against a spring with a force constant k = 695…

A:

Q: During a crash test, a 900kg car moving at 25 m/s hits an uncompressed horizontal spring with a…

A:

Q: A block of mass m=5.5kg slides on a rough surface and moves toward a spring with a spring constant…

A:

Q: A 1300-kg car moving on a horizontal surface has speed y = 50 km/h when it strikes a horizontal…

A: The kinetic energy will equal to the elastic potential energy. mv22=kx22

Q: A spring loaded cannon is located 65.0 m on a cliff, looking over the water. A 25 kg shell is loaded…

A:

Q: Calculate the power output of a 15 mg fly as it walks straight up a windowpane at 2.0 cm/s.

A:

Q: A  2.3 kg mass  is attached to a horizontal spring of constant k = 578 N/m and pushed so that the…

A:

Q: If the ball is dropped with an initial potential energy of 19800J what would be its maximun kinetic…

A: Solution: According to the conservation of energy, total energy of the ball is constant. Hence,…

Q: A 0.15 kg ball is travelling with an upward velocity of 18 m/s. What is the maximum height it will…

A: Given, the mass of ball=0.15 kg upward velocity=18 m/s Let maximum height reach is h m

Q: A pogo stick has a spring with a force constant of 2.50×104 N/m, which can be compressed 12.0 cm. To…

A:

Q: A block of mass 11.0 kg slides from rest down a frictionless 36.0° incline and is stopped by a…

A:

Q: A toy gun uses a spring to project a 5.3 - g soft rubbersphere horizontally. The spring constant is…

A: Let Wf  be the work done by the friction force in the opposite direction, Ps be the elastic…

Q: A toy rocket with a mass of 328 grams is launched into the air using a spring.  At the apex of the…

A: kinetic energy is given as  K= 1/2 M V^2 here M is the mass and V is the speed of body

Q: A toy gun uses a spring with a force constant of 300 N/m to propel a 10.0-g steel ball. If the…

A: A toy gun uses a spring with a force constant of 300 N/m to propel a 10.0-g steel ball. If the…

Q: A ball of mass m = 1.65 kg is released from rest at a height h= 44.0 cm above a light vertical…

A: The given parameter                             m = 1.65Kg                             h = 44cm =…

Q: What is the spring constant of a spring that stores 25 J of elastic potential energy when compressed…

A:

Q: To annoy his son-in-law Roger, Mason takes a block with a mass of 2.00kg and places it on a smooth…

A: Mass of block (m) = 2 kg Compression in spring (d) = 0.285 m Let the launch velocity of block = v…

Q: What is your average power if you lift a 36.1 kg box at a constant speed to a height of 1.31 m in…

A: Calculate the work required for the to lift the mass. W = increase in potential energy of the mass…

Q: A cannon with a spring constant of 147 N/m is compressed by 20 cm to shoot marbles of mass 30 g.…

A: Given, spring constant, k = 147 Nm spring compressed by a distance, x = 20 cm = 0.2 m mass of the…

Q: A 2.0 kg block is pressed up against a spring (k = 44 N/m) that is attached to a wall as shown.  The…

A: mass=2Kg initial potential energy= Total energy= 1.2 J spring constant= 44N/m

Q: A block of mass m = 3.80 kg is dropped from height h = 73.0 cm onto a spring of spring constant k =…

A:

Q: Each second 1080 m of water passes over a waterfall 103 m high. Three-fourths of the kinetic energy…

A: Given:- Rate of water flow r=1080 m3/ s. Height of the waterfall is h=103 m. Mass of the water…

Q: Fred is using a slingshot (basically a big rubber band connected to a stick) to shoot a 182 g rock…

A: Given: The mass of the ball is 182 g. The spring constant is 52 N/m. The compression in the spring…

Q: A block, mass 3.5kg, compresses a spring (k= 2345N/m) a distance of 25cm and is held at rest there.…

A: Given, mass of the block=3.5 kg For the spring constant K1=2345 N/m x=0.25 sin45=0.18 m By the…

Q: A small anvil of massm= 10 kg is dropped from rest from a heightH= 7.0 m abovethe top of a large,…

A: Given: Mass of anvil, m = 10 kg So, force on the string, F = m*g…

Q: Calculate the kinetic energy in Joule, of a car of mass 1700kg travelling at 95km/h.

A:

Q: Calculate the power output of a 14-mg fly as it walks straight up awindowpane at 2.3 cm>s.

A: The mass of fly, m=14 mg=14×10-6 kg   The velocity, v=2.3 cm/s=2.3×10-2 m/s