A 7.0-kg box moving at 7.0 m/sm/s on a horizontal, frictionless surface runs into a light spring of force constant 80 N/cm
Use the work-energy theorem to find the maximum compression of the spring.
Express your answer using two significant figures.
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A 7.0-kg box moving at 7.0 m/sm/s on a horizontal, frictionless surface runs into a light...
A 4.0-kg box moving at 2.0 m/s on a horizontal, frictionless surface runs into a light spring of force constant 55 N/cm . Use the work-energy theorem to find the maximum compression of the spring.
Problem 3 A 6-kg block is moving on a horizontal frictionless floor with a speed of 4 m/s when a constant horizontal force F is applied to the block. The speed of the block increases to 10 m/s within a distance of 5 m. Find (a) initial and final kinetic energy, and (b) the applied force F Problem 4 A0.50 kg block sliding on a horizontal frictionless surface with a speed of 2.5 m/s strikes a light spring that has...
A 2.80-kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it encounters a spring. a. Determine the force constant of the spring, if the box compresses the spring 5.50 cm before coming to rest. b. Determine the initial speed the box would need in order to compress the spring by 1.30 cm. A box slides from rest down a frictionless ramp inclined at 39.0° with respect to the horizontal and is stopped at the bottom of...
Part C Review A 4.5 kg box slides down a 5.2-m -high frictionless hill starting from rest, across a 2.3-m -wide horizontal surface then hits a horizontal spring with spring constant 470 N/m How far is the spring compressed? Express your answer using two significant figures The other end of the spring is anchored against a wall The ground under the spring is frictionless, but the 2.3-m- long horizontal surface is rough. The coefficient of kinetic friction of the box...
IP A 2.8 kg block slides with a speed of 2.1 m/s on a frictionless horizontal surface until it encounters a spring. Part A If the block compresses the spring 5.6 cm before coning to rest, what is the force constant of the spring? Express your answer using two significant figures. N/m Submit Request Answer Part B What initial speed should the block have to compress the spring by 1.4 cm? Express your answer using two significant figures. UE m/s...
A 3.5 kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it encounters a spring. (a) Determine the force constant (in N/m) of the spring, if the box compresses the spring 6.3 cm before coming to rest. (B) Determine the initial speed (in m/s) the box would need in order to compress the spring by 1.7 cm.
QUESTION 9 A 3.3 kg block is moving at vo - 6.2 m/s along a frictionless, horizontal surface toward a spring with force constant -534.7 Nm that is attached to a wall. What is the maximum distance the spring will be compressed in cm? QUESTION 10 e of the normale of the When a 25 kg crate is pushed across a frictionless horizontal floor with a force of 200 N. directed 20 above the horontal them oor on the crate...
A large box of mass M is pulled across a horizontal, frictionless surface by a horizontal rope with tension T. A small box of mass m sits on top of the large box. The coefficients of static and kinetic friction between the two boxes are μs and μk, respectively. PART A: Find an expression for the maximum tension Tmax for which the small box rides on top of the large box without slipping. Express your answer in terms of the...
A horizontal spring with spring constant 130 N/m is compressed 19 cm and used to launch a 2.8 kg box across a frictionless, horizontal surface. After the box travels some distance, the surface becomes rough. The coefficient of kinetic friction of the box on the surface is 0.15. Use work and energy to find how far the box slides across the rough surface before stopping. Express your answer to two significant figures and include the appropriate units.
A 2.0- kg box is moving at constant speed of 2.0 m/s on a frictionless horizontal floor. You apply a horizontal force with a magnitude of 4.0 N to make it stop. How long should you apply this force?