What angle was the ball hit

Assignment Help Chemistry
Reference no: EM132037691

A tennis player standing 9.2 m from the net hits the ball above the horizontal. To clear the net, the ball must rise at least 0.42 m. If the ball just clears the net at the peak of its trajectory, how fast was the ball moving when it left the racket and at what angle was the ball hit?

Reference no: EM132037691

Questions Cloud

What is a front and what are factors : What's a front and what are factors and conditions associated with a cold front?
Magnitude of the gravitational acceleration : What is the magnitude of the gravitational acceleration (in m/s2) due to Earth at the surface of Earth?
What is the magnitude of the gravitational acceleration : What is the magnitude of the gravitational acceleration (in m/s2) due to the moon at the near-side surface of Earth?
Surface of jupiter : What is the weight (in Newtons) of a 90 kg man at the surface of Jupiter (assuming he had a way to stand there)?
What angle was the ball hit : If the ball just clears the net at the peak of its trajectory, how fast was the ball moving when it left the racket and at what angle was the ball hit?
What is the period of oscillation : The equation for the graph is determined to be: x = (0.25 m) cos (3.0 t) What is the period of oscillation?
Complete lawrence paycheck and the remittance advice : Complete Lawrence's paycheck and the remittance advice (i.e., "paycheck stub"). The blank worksheet will be very helpful for this portion of the assignment
Zero acceleration terms experienced by the car : A car turns a corner at a constant speed. Which of the following correctly identifies all of the non-zero acceleration terms experienced by the car?
Calculate the fraction of the initial kinetic energy : Calculate the fraction of the initial kinetic energy dissipated in the collision.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain which is most acidic butanoic acid

Which is most acidic butanoic acid (marvin structure), bromobutanoic acid (marvin structure), hydroxybutanoic acid (marvin structure) and chlorobutanoic acid(marvin structure)

  Depict two molecules that are diastereomers

Draw two molecules that are diastereomers and calculate the energy of each.Then draw two molecules that are enantiomers and calculate the energy of each. (You may use the same molecule twice). Comment on how the results agree or do not agree with ..

  Compute mass of initial acid solution and concentrated acids

The Lena Chemical Co. concentrates leftover acids from various chemical processes. Leftover acid from a nitrating process contains 24.0% nitric acid (HNO3).

  Explain the reaction of calcium oxide with the pollutant

The reaction of calcium oxide with the pollutant, sulfur trioxide, to produce calcium sulfate has been proposed as one way to remove the the SO3 from the smoke resulting from burning high sulfur coal (as in a power plant).

  Explain what is the change in internal energy

What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 7.60x10^2 cal of work done on it

  Explain solubility of the nylon across the dirent solvents

Cosidering the solubility of the nylon across the dirent solvents, what conclusion could be made about nylon solubility based on the structure of nylon and the structure of the solvents

  Explain the simplest (empirical) formula of the compound

A 100.0 mg sample of a common organic compound containing C, H and S was burned in oxygen, forming 283.5 mg of CO2 and 48.4 mg of H2O. What is the simplest (empirical) formula of this compound

  Explain gaseous nobr is placed in a closed container

Gaseous NOBr is placed in a closed container at -180 oC, where it partially decomposes to NO and Br2: 2 NOBr(g) 2 NO(g) + 1 Br2(g) At equilibrium it is found that p(NOBr) = 0.008230 atm, p(NO) = 0.004080 atm, and p(Br2) = 0.004130 atm.

  How many grams of koh are required

How many grams of KOH are required to neutralized 300ml of 5.0 N HN03 solution.

  A 1600g sample of metal at 75 degrees c is added to 1500g

a 160.0g sample of metal at 75 degrees c is added to 150.0g h20 at 15 degrees c. the temp. of the h2o rises to 19.5

  Calculate the change in ph if 10 ml of 0.200 m hcl

Compute the pH of 500 ml of ac solution that is 0.200 M in C6H5NH2 (aniline) and 0.100 M in C6H5NH3Cl (aluminum chloride) (kb of aniline = 4.3 *10 -10). Also calculate the change in pH if 10 ml of 0.200 M HCl is added to solution above.

  A reaction has a standard free-energy change of -1300 kj

a reaction has a standardfree-energy change of -13.00 kj mol -1 -3.107 kcal mol -1 calculate the equilibrium constant

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