Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Physics Expert

Susan's 10.0kg baby brother Paul sits on a mat. Susan pulls the mat across the floor using a rope that is angled 30° above the floor. The tension is a constant 32.0N and the coefficient of friction is 0.170.
Use work and energy to find Paul's speed after being pulled 2.80m

Physics, Academics

  • Category:- Physics
  • Reference No.:- M91042225

Have any Question?


Related Questions in Physics

Question a skydiver has his parachute open and is floating

Question: A skydiver has his parachute open and is floating downward through the air at a constant speed. Identify all the forces acting on the system skydiver-parachute. Check all that apply. Weight, w? Normal force, n? ...

A baseball is thrown vertically upward at a speed of 392

A baseball is thrown vertically upward at a speed of 39.2 m/s. How much time elapsed before it reaches it highest points, and how high above the ground does it get?

Question situation two electrons each with mass m and

Question: Situation: two electrons, each with mass m and charge q, are released from positions very far from each other. With respect to a certain reference frame, electron A has initial nonzero speed v toward electron B ...

Question the potential difference between the surface of a

Question: The potential difference between the surface of a 3.2 cm -diameter power line and a point 1.5 mdistant is 4.7 kV. What is the magnitude of the line charge density on the power line? Express your answer using tw ...

Question a point charge is released from rest in a region

Question: A point charge is released from rest in a region containing an electric field. The charge will start to move: (A) in a direction that makes its potential energy increase (B) in a direction that makes its potent ...

A hiker measures the angle of elevation to the top of a

A hiker measures the angle of elevation to the top of a cliff as 16.0o. She walks 1.20 km further away from the cliff on level ground, she finds the angle to be 11.0 o. a) Draw a diagram of the problem - you may ignore t ...

Swimming at 150 ms relative to still water a swimmer heads

Swimming at 1.50 m/s relative to still water, a swimmer heads directly across a river of width 80 m. He arrives 45.0 m downstream from the point directly across the river from his starting point.  (a) What is the speed o ...

Question a solid sphere and a solid disk of the same mass

Question: A solid sphere and a solid disk of the same mass and radius are rolling wihtout slipping at the same speed. A. What is the ration of their kinetic energies? B. What is the ratio of their angular momenta (measur ...

An artillery shell is fired at an angle of 481 above the

An artillery shell is fired at an angle of 48.1? above the horizontal ground with an initial speed of 1920 m/s. The acceleration of gravity is 9.8 m/s2. Find the total time of flight of the shell, neglecting air resistan ...

Question a thin film of mgf2 n 138 coats a piece of glass

Question: A thin film of MgF_2 (n= 1.38) coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500 nm and 625 nm. What is the thinnest film for which this can occur ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As