Question

At 10 kg mass, sitting on the horizontal, is initially at rest. A force acts on...

  1. At 10 kg mass, sitting on the horizontal, is initially at rest. A force acts on the mass acts for 10 seconds. The mass is pushed to Xt = 20 m (assume Xo = 0) determine (a) Vx avg (b) Vtx (c) ax (d) Fx

Homework Answers

Answer #1

(a)

(b)

and

then

(C)

(d)

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
2.    A horizontal, 50 N force acts on a 5 kg mass, which is initially at...
2.    A horizontal, 50 N force acts on a 5 kg mass, which is initially at rest on a frictionless surface. After the mass has traveled 45 m, find the following: (25 points)        Given: (1 point)        a. the work done by the force. (4 points)        b. the change in kinetic energy. (4 points)        c. speed of the mass after 45 m. (4 points)        d. the change in momentum of the mass. (4 points)        e....
A mass of 1.78 kg is initially at rest upon a horizontal surface. An applied force...
A mass of 1.78 kg is initially at rest upon a horizontal surface. An applied force of 16.4 N i then acts on the mass. If the coefficient of kinetic friction regarding the system is 0.479, what is the magnitude of the object's acceleration?
A block of mass 2.00 kg is initially at rest at x=0 on a slippery horizontal...
A block of mass 2.00 kg is initially at rest at x=0 on a slippery horizontal surface for which there is no friction. Starting at time t=0, a horizontal force Fx(t)=β−αt is applied to the block, where α = 6.00 N/s and β = 4.00 N. What is the largest positive value of x reached by the block? How long does it take the block to reach this point, starting from t = 0. What is the magnitude of the...
A cylinder of mass M and radius R is initially at rest on a horizontal surface...
A cylinder of mass M and radius R is initially at rest on a horizontal surface where there is some unknown friction. At 0=t it is pulled by a horizontal force 4 Mg F = and starts to roll without slipping. ( 2 2 1 MRI C = and g acts down). a- Find the linear acceleration a of the centre of the cylinder (in terms of g). b- Find the coefficient of friction  (in terms of given quantities)....
A 36.5 kg box initially at rest is pushed 4.25 m along a rough, horizontal floor...
A 36.5 kg box initially at rest is pushed 4.25 m along a rough, horizontal floor with a constant applied horizontal force of 150 N. If the coefficient of friction between box and floor is 0.300, find the following. (a) the work done by the applied force J (b) the increase in internal energy in the box-floor system due to friction J (c) the work done by the normal force J (d) the work done by the gravitational force J...
A block of ice with mass 6.00 kg is initially at rest on a frictionless, horizontal...
A block of ice with mass 6.00 kg is initially at rest on a frictionless, horizontal surface. A worker then applies a horizontal force F⃗ to it. As a result, the block moves along the x-axis such that its position as a function of time is given by x(t)=αt2+βt3, where α = 0.210 m/s2 and β = 2.07×10−2 m/s3 .Calculate the velocity of the object at time t = 3.50 s .Calculate the magnitude of F⃗ at time t =...
18. A 34.5 kg box initially at rest is pushed 5.75 m along a rough, horizontal...
18. A 34.5 kg box initially at rest is pushed 5.75 m along a rough, horizontal floor with a constant applied horizontal force of 150 N. If the coefficient of friction between box and floor is 0.300, find the following. (a) the work done by the applied force ___J (b) the increase in internal energy in the box-floor system due to friction ___J (c) the work done by the normal force ___J (d) the work done by the gravitational force...
A 2.60 kg block is initially at rest on a horizontal surface. A horizontal force ModifyingAbove...
A 2.60 kg block is initially at rest on a horizontal surface. A horizontal force ModifyingAbove Upper F With right-arrow of magnitude 6.59 N and a vertical force ModifyingAbove Upper P With right-arrow are then applied to the block (see the figure). The coefficients of friction for the block and surface are ?s = 0.4 and ?k = 0.25. Determine the magnitude of the frictional force acting on the block if the magnitude of ModifyingAbove Upper P With right-arrow is...
At time t = 0, force F→1=(-5.99î+8.78ĵ)N acts on an initially stationary particle of mass 1.80...
At time t = 0, force F→1=(-5.99î+8.78ĵ)N acts on an initially stationary particle of mass 1.80 × 10-3 kg and force F→2=(2.86î-3.46ĵ)N acts on an initially stationary particle of mass 3.68 × 10-3 kg. From time t = 0 to t = 2.97 ms, what are the (a) magnitude and (b) angle (relative to the positive direction of the x axis) of the displacement of the center of mass of the two-particle system? (c) What is the kinetic energy of...
1. A 10 kg mass is initially at rest and experiences a force with profile 3...
1. A 10 kg mass is initially at rest and experiences a force with profile 3 t N s. What is the momentum change of the mass after 4 s? What is the masses velocity magnitude? 2. A 20 kg child is on a swing that hangs from 3.0 m chains, as shown in the figure below. What is her speed vi at the bottom of the arc if she swings out to a 45o angle before reversing direction? Find...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT