How fast was she moving at the start of her coast

Assignment Help Physics
Reference no: EM1344772

Q. A 65kg ice skater coasts with no effort for 85m until she stops. If coefficient of kinetic friction between her skates and the ice is µk = 0.13, how fast was she moving at the start of her coast?

Q. An electric dipole is formed from +/-4.0 nC point charges spaced 3mm apart. The dipole is cantered at the origin, oriented along the y-axis. What is an electric field strength at point (x,y) = ( 6.0 cm, 0 cm)

Reference no: EM1344772

Questions Cloud

What is the maximum reaction time : A plastic ball in a liquid is acted upon by its weight and by a buoyant force. The weight of the ball is 4.8N. The buoyant force has a magnitude of 6.5N and acts vertically upward. External force acting on the ball maintains it in the state of res..
Criteria selecting a life-cycle model for the project : What criteria would you use in selecting a life-cycle model for the project?
How much do you need to invest : How much do you need to invest today to reach that desired amount 12 years from now - Think of something you want or need for which you currently do not have the funds.
Ebit and optimal level of leverage : Describe EBIT and discuss why optimal level of leverage from a tax-saving perspective is the level at which interest equals EBIT.
How fast was she moving at the start of her coast : An electric dipole is formed from +/-4.0 nC point charges spaced 3mm apart. The dipole is cantered at the origin, oriented along the y-axis. What is an electric field strength at point (x,y) = ( 6.0 cm, 0 cm)
Explain what is the value of the firm : Explain what is the value of the firm and explain what will the value be if Corrado converts to 50% debt?
What is the theoretical greatest amount of ice freezer : Assume the freezer operates for 5 hours each day, how much power does it require while operating
How far from base of the table did it strike the floor : A projectile is fired at an upward angle of 45° from the top of a 308m cliff with a speed of 198 m/s. What will be its speed while it strikes the ground below? (Use conservation of energy.)
How many put option contracts should be purchased : If the portfolio has a beta of 1, how many put option contracts should be purchased and If the portfolio has a beta of 0.5, how many put options should be purchased?

Reviews

Write a Review

Physics Questions & Answers

  What is the velocity v of smaller fish before lunch

Two speakers, 6.00 m apart, are driven by the same audio oscillator so that each one produces a sound consisting of two distinct frequencies, 1000 Hz and 1360 Hz. The speed of sound in the room is 350 m/s.

  What is the new coefficient of friction

In outer space, far from other objects, block 1 of mass 30 kg is at position m, and block 2 of mass 1350 kg is at position m. What is the (vector) gravitational force acting on block 2 because of block 1? It helps to make a sketch of the situatio..

  What tension is necessary to tune string properly

What tension is necessary to tune string properly

  The speed of the bullet at impact with the block

A 20.0 kg wood ball hangs from a 1.3 m long wire. The maximum tension the wire can withstand without breaking is 300 N. A 0.70 kg projectile travelling horizontally hits and embeds itself in the wood ball.

  Forming an equation

Forming an equation.

  Determine the extra work required to stretch

Many communications satellites orbit the earth in geostationary orbits. (They appear to remain in the same positions in the sky for observers on the earth's surface.) If such a satellite orbits at a height of 40,000 km, estimation the time delay in a..

  What is the new angular speed

What is the velocity of the beam of electrons that go undeflected when passing during perpendicular electric and magnetic fields of magnitude 4700 V/m and 3.6×10-3 T, correspondingly.

  What is the vertical component of superhero''s displacement

Two long parallel wires each with a mass per unit length of 25.10 g/m are supported in a horizontal plane by 2.5 cm long strings. Each wire carries the same current, I, causing the wires to repel each other so that the angle between supporting string..

  How fast is the boy sliding

The mass of a space shuttle is approximately 2.0x10^6 kg. Throughout lift-off, the net force on the shuttle is 1.0x10^7 newtons directed upward. What is the speed of the shuttle 10 seconds after liftoff.

  How much work is done by the tension

A train is travelling up a 4.5 degree incline at a speed of 3.25 m/s when the last car breaks free and begins to coast without friction. a) How long does it take for the last car to come to rest momentarily? b) How far did the last car travel befo..

  Find the distance traveled during 3rd second

A particle has initial velocity 5 m/s due east and acceleration 2 m/s^2 due west. Find the distance traveled during 3rd second of the motion.

  With what minimum speed should fran leave the ground

A 0.255 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.200 kg puck that is initially moving along the x axis with a velocity of 2.06 m/s. After the collision, the 0.200 kg puck has the speed of 1.02 m/s at an ang..

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