Obtain what average upward force did the water exert on her

Assignment Help Physics
Reference no: EM13556572

A high diver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting from rest. If her downward motion is stopped 1.80 s after her feet first touch the water, what average upward force did the water exert on her? the answer is 1140 N, but how?

Reference no: EM13556572

Questions Cloud

What is the frequency of this normal mode : A stopped wire, 0.90 m long, resonates with a tone whose wavelength is 0.72 m. What is the frequency of this normal mode in SI units
What is the initial velocity of the ball : At t=0 a ball is thrown upward from the ground.  Two seconds later, the ball hits the ground.  Assume g=10m/s2.  What is the maximum height of the ball.  What is the initial velocity of the ball?
Find the amount of time the shell is in motion : A quarterback takes the ball from the line of scrimmage, runs backward for 4 yards, and then runs sideways parallel to the line of scrimmage for 13 yards. Find the amount of time the shell is in motion
Estimate what is her resultant displacement : A girl delivering newspapers travels 1 blocks west, 2 blocks north, and then 6 blocks east.  What is her resultant displacement
Obtain what average upward force did the water exert on her : A high diver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting from rest. what average upward force did the water exert on her
Evaluate the mass of the astronaut : In order to study the long-term effects of weightlessness, astronauts in space must be weighed (or at least "massed"). Find the mass of the astronaut
Determine what is the speed of the rocket : A rocket is launched from the surface of the earth with speed 2.00x104 m/s. What is the speed of the rocket at an infinite distance from the earth
Assume-the star is notrotating : A neutron star has a mass of 2.0 1030 kg (about the mass of oursun) and a radius of 4.8 103 m (about the heightof a good-sized mountain). Suppose an object falls from rest nearthe surface of such a star. How fast would it be moving after ithad fall..
Determine which energy is greater : A 1.0E-6 F capacitor has a charge of 10.0 microC. It is connected to a 1.0 H inductor at t=0. Which energy is greater

Reviews

Write a Review

Physics Questions & Answers

  A window air conditioner consumes

A window air conditioner consumes 1500 W of electric power and has COP = 3.7. If it runs continuously for 18h , how much heat gets removed from the house? Express your answer to two significant figures and include the appropriate units.

  What are period of the motion

A woman rides a carnival Ferris wheel at radius 16.00 m, completing 4.10 turns about its horizontal axis every minute. What are (a) period of the motion, and the magnitude of her centripetal acceleration at (b) highest point and (c) the lowest poi..

  Determine the velocity of electron when it is 5 cm to left

An electron is 10 cm to the left of a +2 C point charge, and 10 cm to the right of a -2 ?C point charge. The +2 C and the -2 C charges are fixed in position and together with the electron lie along the x-axis.

  Estimate what is the frequency of the oscillation

A mass m = 4.3 kg is attached to a vertical spring with k = 220 N/m and is set into motion. What is the frequency of the oscillation

  Compute the speed of the ball as it hits the ground

The driver of a 1800 {rm kg} car travelling on a horizontal road at 100 {rm km}/{rm h} suddenly applies the brakes. Because of a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 20.0% of the..

  Find the pressure that each ski exerts on the snow

A 69.00 kg skier is going down a slope oriented 33° above the horizontal. The area of each ski in contact with the snow is 0.13 m2. Determine the pressure that each ski exerts on the snow.

  Find the inductance of the inductor

A penny sits on a rotating disk that rotates once every 0.9 s. The coefficients of static and kinetic friction between the penny and disk are 0.58 and 0.48, respectively. For the penny to not slide, what is its largest distance from the center of the..

  Compute the position of the image

An object 0.680cm tall is placed 18.5cm to the left of the vertex of a convex spherical mirror having a radius of curvature of 25.0cm. Calculate the position of the image

  Find the amplitude of the voltage across the inductor

Consider an RLC circuit with driving emf amplitude %u0395m = 12 V, Find the amplitude of the voltage across the inductor at resonance

  What is the coefficient of friction between cheese and ice

Bored, a boy shoots his pellet gun at a piece of cheese that sits, keeping cool for dinner guests, on a massive block of ice. On one particular shot, his 1.4 g pellet gets stuck in the cheese, causing it to slide 25 cm before coming to a stop. If the..

  What is the car''s speed at the bottom of the dip

The mass of a roller-coaster car, including its passengers, is 495kg. Its speed at the bottom of the track in the figure below is 17.00 m/s. The radius of this section of track is r1 = 26 m. Find the force that a seat in the roller-coaster car exerts..

  Find out its spring constant

A 1700kg car travelling at a speed of 40m/s skids to the halt on wet concrete where f_k = 0.3. How long are the skid marks.

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