What were the original speeds of the two cars

Assignment Help Physics
Reference no: EM13332546

When both cars increase their speed by 7.0m/s , they then have the same kinetic energy.

What were the original speeds of the two cars?

Reference no: EM13332546

Questions Cloud

What is the work done by gravity on the skier : A skier of mass 106 kg travels down a frictionless ski trail. If the top of the trail is a height 206 m above the bottom, what is the work done by gravity on the skier
Explain melting point to its boiling point : 17.5 kj of heat is required to melt 52.5g of ice at its melting point. How much heat is required to raise the temperature of 52.5g of water from its melting point to its boiling point. express answer in kj.
Explain the product expected from the reaction : What is the product expected from the reaction of 1.3-butadiene and 3-sulfolene. Why is this not a major concern as a by product
Define what is the potential of the corrosion reaction : Air is 21 mole percent oxygen, that is, 0.21 atm oxygen at 1 atm. Suppose the pH of the water is 5.85 and that the concentration of iron(II) in the water is 8.97x 10-5 M, what is the potential of the corrosion reaction under the above conditions a..
What were the original speeds of the two cars : When both cars increase their speed by 7.0m/s , they then have the same kinetic energy. What were the original speeds of the two cars
Explain how much heat is liberated at constant pressure : How much heat is liberated at constant pressure if 0.834 g of calcium carbonate reacts with 48.9 mL of 0.668 M hydrochloric acid? CaCO3(s) + 2HCl(aq) > CaCl2(aq) + H2O(l) + CO2(g); DeltaH = -15.2 kJ
Estimate the change in the kinetic energy of the car : A car of mass 2,000 kg is initially traveling at a speed of 30 m/s. estimate the change in the kinetic energy of the car
Describe compound y absorbs 2 equivalents of hydrogen : Compound Y absorbs 2 equivalents of hydrogen when reduced over a palladium catalyst to give Z (C14H14) and reacts with ozone to give one product, benzoic acid (C7H6O2). Draw the structure of compound Z
Find out what kind of external resources it is using : find out what kind of external resources it is using. To deeply understand it, you may also try to figure out why it uses which resources.

Reviews

Write a Review

Physics Questions & Answers

  What is the final charge on the capacitor

A 4.0-mF capacitor initially charged to 50 V and a 6.0-mF capacitor charged to 30 V are connected to each other with the positive plate of each connected to the negative plate of the other

  Find is the cyclist ahead of or behind the car

At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street. find Is the cyclist ahead of or behind the car

  Determine the elastic potential energy of the system

A 3.2-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system when the 3.2-kg block is replaced by a 4.1-kg block

  What is the lift exerted on the plane in newtons

A plane move through the air. This results in the air under thewing moving at speed v=50 m/s. what is the lift exerted on the plane in Newtons

  What is the total charge on the outer surface

An empty hollow metal shell containing vacuum has a total charge of 3C on its outer surface. What is the total charge on the outer surface once this has happened

  Compute how long is the wire

A current of 0.80A flows through a copper wire 0.50mm in diameter, How long is the wire in km

  How far apart are the adjacent interference bands

A glass plate 2.5 cm long is separated from another glass plate by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands

  What initial kinetic energy must it be launched

If you are in a car accident with an initial speed of 119 km/h and you are stopped by an airbag that inflates from the dashboard, over what distance should the airbag stop you for you to survive the crash.

  Illustrate what distance would the bird cover

If a bird were to start out from the origin (where the student starts) and fly directly (in a straight line) to the school, illustrate what distance would the bird cover? Express your answer in miles.

  What is the direction of the net force

Two point charges are located on the y axis, by these two charges on a third charge q3 = 7.50nC located at y3 = 0.350m ? and what is the direction of the net force

  How thick diameter does the wire have to be

Aluminum wiring rated at 30. A maximum current is to be installed in a home. how thick diameter does the wire have to be

  What is the heat lost by the silver

A copper beaker of mass 0.20 kg contains 0.10 kg of water at 20.0 C. A block of silver of mass 100 g at 90.0 C is added to the beaker of water. What is the heat lost by the silver

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