A rectangular marble block has dimensions 1m by 1m by 5m and weighs 125000N.The marble block is stored with the long side resting on the ground, as in diagram 1.diagram 1diagram 2What is the change in the pressure on the ground due to the block when the block is stored as indiagram 2 rather than diagram 1?A a decrease of 25000 PaB an increase of 100 000 PaC an increase of 125 000 PaD no changeA ODنقطة واحدةThe arrows show an outline of the processes in an oil-fired power station.oil is burnt turns turbine turns generator → output transformerWhat are the processes for the transfer of energy between the turbine and the generator andbetween the generator and the output transformer?turbine to generatorgenerator to output transformerAelectrical workingelectrical workingmechanical workingelectrical workingmechanical workingtransferthermal energyDtransfer of thermal energymechanical workingA A car of mass 500 kg is moving at 10m/s. The engine does work on the car and the speedincreases to 16 m/s.How much work is done by the engine to increase the speed of the car?A 3000JB 9000JC 39000JD 78000JAВCDنقطة واحدةA force acts on an object and causes the object to move a certain distance, in the same directionas the force.Which row represents a situation in which the largest amount of work is done on the object by theforce?force/Ndistance moved/mA2.040.010.02.020.06.0D100.01.0AВC

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A rectangular marble block has dimensions 1m by 1m by 5m and weighs 125000N. The marble block is stored with the long side resting on the ground, as in diagram 1. diagram 1 diagram 2 What is the change in the pressure on the ground due to the block when the block is stored as in diagram 2 rather than diagram 17 A a decrease of 25000 Pa B an increase of 100000 Pa C an increase of 125000 Pa D no change

A rectangular marble block has dimensions 1m by 1m by 5m and weighs 125000N. The marble block is stored with the long side resting on the ground, as in diagram 1. diagram 1 diagram 2 What is the change in the pressure on the ground due to the block when the block is stored as in diagram 2 rather than diagram 17 A a decrease of 25000 Pa B an increase of 100000 Pa C an increase of 125000 Pa D no change

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 39P: A sled of mass 70 kg starts from rest and slides down a 10 incline 80 m long. It then travels for 20...

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