Determine the force exerted by the man

Assignment Help Physics
Reference no: EM1393062

Q. A 300kg piano slides 4.10 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.4. Determine the force exerted by the man.

Reference no: EM1393062

Questions Cloud

Find the ratio of gravitational force doctor exerts on baby : One of the tenets of the pseudoscience (i.e., "false science") of astrology is that, in some mysterious way, the positions of the planets at the time of the person's birth somehow influence the characteristics of that person.
Describe some of the best practices that leading companies : Has any aspect of the different levels approach been negative to the customer, or to the organization? Describe some of the best practices that leading companies using unique approaches to customer service have embraced.
Find out the force exerted by man : A 260-kg piano slides 4.2m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.
Confidence interval for the mean amount of time : Determine and interpret a 95% confidence interval for the mean amount of time Americans age 15 or older spend eating and drinking each day.
Determine the force exerted by the man : A 300kg piano slides 4.10 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.4. Determine the force exerted by the man.
Describing economic order quantity : A large bakery buys flour in 25-pound bags. The bakery uses an average of 4,860 bags a year. Preparing an order and receiving a shipment of flour involves a cost of $10 per order. Annual carrying costs are $75 per bag.
Interpret the meaning of the p-value : Initially, the mean turnaround time for a stress test was 68 hours. After incorporating changes into the stress-test process, the quality improvement team collected a sample of 50 turnaround times
Finding evidence of genetic linkage : Three dominant traits of corn seedlings, tunicate seed, glossy appearance, and liguled stem, are studied along with their recessive counterparts, nontunicate.
Explain the displacement of the car from point of origin : A novice skier, starting from rest, slides down a frictionless 28.00 incline whose vertical height is 170. How fast is she going while she reaches the bottom?

Reviews

Write a Review

Physics Questions & Answers

  What is the length of a pendulum whose period on the moon

A child in a boat throws a 3.50 kg package out horizontally with a speed of 15m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 25kg and that of the boat is 70kg. Ignore water re..

  How to calculate the diameter of the circle

Take the mass of the sun to be m_s = 1.99×1030 {rm kg}, gravitational constant to be G = 6.67×10-11 {rm N} cdot {rm m^2/kg^2}, and an acceleration due to gravity at the earth's surface to be g = 9.810 {rm m/s^2}.

  Find torque about point where the beam is bolted into place

A 3m-long, 300 steel beams extend horizontally from the point where it has been bolted to the framework of a new building under construction. A 73 construction worker stands at the far end of the beam. What is the magnitude of the torque about poi..

  What is the density of the object

An object weighs 302 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 220 N. When it is immersed in oil, it weighs 257 N. what is the density of the object.

  What is the necessary resistance of an immersion heater

A binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This means that the masses of two stars are equal. Suppose the orbital speed of each star is 285 km/s and the orbital period of each..

  The electric flux through the circle

What is the electric flux through the circle when its face is perpendicular to the field lines?

  What is the weight of a space probe on the moon

A cardinal (Richmondena cardinalis) of mass 3.60×10-2 kg and a baseball of mass 0.140 kg have the same kinetic energy. What is the ratio of cardinal's magnitude p_c of momentum to the magnitude p_b of the baseball's momentum.

  What is the mass of the block

If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.

  What are the period of the motion

A loudspeaker of mass 24.0 {rm kg} is suspended a distance of h = 1.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.70 {rm m}.

  What is the moment of inertia of machine part

River Pascal with a volume flow rate of 3.3×10^5 joins with River Archimedes, that carries 1.09×106 , to form the Bernoulli River. The Bernoulli River is 120 wide and 20 deep.

  What is the magnitude of initial angular acceleration

Physics 1401 problems about rotational motion and angular displacement and angular velocity and angular acceleration about height problems.

  What is the deuteron energy

Young's Double Slit Experiment is performed with 589 nm light and a distance of 2.00 m between the slits and the screen. The fifth interference minimum is observed 7.50 mm from the central maximum. Resolve the spacing of the slits.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd