What is the change in temp of the water

Assignment Help Physics
Reference no: EM13562303

1. A 50 kg child jumps into a small pool of water through a distance of 3 m and aquires 1000 J of kinetic energy. Assuming all of this energy goes into heating 10 kg of water in the pool, what is the change in temp of the water?

2. Theoretically the most efficient engine possible is:

a, porsche carrera special engine, b. carnot cycle heat engine, c. cummins diesel d. wankel engine

Reference no: EM13562303

Questions Cloud

Estimate what is its speed when it hits the ground : A student drops a water ballon out a dorm window 12 m abovethe ground. What is its speed when it hits the ground
Estimate the darts kinetic energy as it leaves the gun : In compressing the spring in a toy dart gun , 0.5 J of work isdone. When the gun is fired, the spring gives its potential energyto a dart with mass of .02 kg. What is the dart's kinetic energy as it leaves the gun
Calculate the average power output of a photodetector : Calculate the average power output (in watts) of a photodetector that collects 8.0 x 107 photons in 3.8 ms from monochromatic light of wavelength 325nm.
What volume of the wood is below the water line : A piece of wood of density 936 kg/m3 and volume 1.7m3 is floating in water of density 1000kg/m3. What volume of the wood (in m3) is below the water line
What is the change in temp of the water : A 50 kg child jumps into a small pool of water through a distance of 3 m and aquires 1000 J of kinetic energy. Assuming all of this energy goes into heating 10 kg of water in the pool, what is the change in temp of the water?
What force had to act on that end : The rock weighs 100-lb and is lifted 1ft by the lever. The other end of the lever is pushed down 3ft whilelifting the rock. What force had to act on that end
Advertized to prevent heat gain in the sumer are tinted : Thermal windows that are advertized to prevent heat gain in the sumer are tinted, double paned with a vacuum between the panes, and may be slightly silvered. Explain using the concepts of heat trnsfer how these features prevent or slow down the trans..
Explain in significant detail how ice melts water expands : Using the words below approp. explain in significant detail how ice melts, water expands, and finally boils when placed in a pan on a hot stove. (heat energy, temperature, molecular motion, kinetic energy, heat transfer.)
Estimate what is the new velocity : A cart of mass 2m has a velocity of vo before itstrikes another cart of mass 3m at rest. What is the new velocity if the two carts couple and move together

Reviews

Write a Review

Physics Questions & Answers

  Find out the magnitude and direction of the field

A proton moves perpendicular to a uniform magnetic field, B, at 1.6 multiplied by 107 m/s and experiences an acceleration of 1.8 multiplied by 1013 m/s2 in the positive x direction while its velocity is in the positive z direction. Find out the magni..

  What was the angular acceleration during this time

Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.0 s, it rotates 5 rad. What was the angular acceleration during this time

  What force does friction exerts on the skater

A 68-kg skater moving initially at 2.4 m/s on rough horizontal surface comes to rest uniformly in 3.52 s due to friction. What force does friction exerts on the skater

  Determine the rest mass of the polonium nucleus

A polonium nucleus, while at rest, decays into a lead nucleus of rest mass 342.1126 x 10^-27 kg, and emits a helium nucleus of rest mass 6.6483 x 10^-27 kg. Determine the rest mass of the Polonium nucleus

  Determine the planes initial velocity and acceleration

After landing, a jetliner on a straight runway taxis to a stop at an average velocity of (-30.0 km/h). what are the plane's initial velocity and acceleration

  Determine the orbital speed of this second satellite

Two satellites are in circular orbits around a planet that has radius 9.00*10^6 m. One satellite has mass 77.0kg , What is the orbital speed of this second satellite

  Horizontal velocity of the rocket on impact with the ground

A projectile is launched from a 300 m high cliff at an angle of 30 degree with an initial velocity of 150 m/s. (g=9.8m/s^2). Begin by drawing a diagram and determine: a) The total time of the flight b) The horizontal velocity of the rocket on impa..

  At what range of speeds can a car safely handle the curve

A curve of radius 72m is banked for a design speed of 125km/h.If the coefficient of static friction is 0.34 (wet pavement), at what range of speeds can a car safely handle the curve

  At what angle above the horizon does the friend see the sun

A submerged scuba diver looks up toward the calm surface of a freshwater lake and notes that the Sun appears to be 35o from the vertical. At what angle above the horizon does the friend see the sun

  Illustrate what is the magnitude of the angular acceleration

the motor slows from 80 rad/s to 40rad/s while the turning the drum through an angle of 120 radians. Illustrate what is the magnitude of the angular acceleration of the motor?

  Find the separation between the centers of the two slits

A laser beam whose wavelength is 681 nm falls on a barrier containing a pair of very narrow slits. A screen is located 2.61 m from the slits. find the separation between the centers of the two slits

  Estimate the temperature of a light bulb

How high will a 0.32kg rock go if thrown straight up by someone who does 119J of work on it? Avoid air resistance.

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