Choose the BEST answer to the following: Compared with a sound of 60 decibels, a sound of 80 decibels has an intensity (a) 10 times greater. (b) 100 times greater. (c) 1000 times greater. (d) more than 1000 time greater.

Q: Consider the following 3 pieces of the motion for a block that is initially at rest on a floor. (1) ...

A: While the hand is pushing the block and the block is still at rest, the acceleration of block is in ...

Q: Choose the BEST answer to the following: The time it rakes for a pendulum swinging to and ho refers ...

A: amplitude of a penudulam is defined as the displacement from its mean position. the frequency is not...

Q: Your cat "Ms." (mass 7.00 kg) is trying to make it to the top of a frictionless ramp 2.00 m long and...

A: The below figure represent the motion of the cat along the ramp.

Q: 2. Force acting on thigh bone is 1800 N at compression causes longitudinal strain 3-103. Find effect...

A: Click to see the answer

Q: A drunkard walking in a narrow lane takes 5 steps forward and 3 steps backward, followed again by 8 ...

A: Graph says that the drunkard about 37 seconds to fall in a pit 15m away from the start.

Q: A 16-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 24 N....

A: Click to see the answer

Q: Explain why a marble floor appears colder than cemented floor in winter though both are at same temp...

A: We feel an object cold because it takes away heat from our body when we come into contact with that ...

Q: A vessel of volume 2000cm3 contains 0.1mole of oxygen and 0.2 mole of carbon dioxide. If the tempera...

A: Pressure of oxygen molecules is

Q: Explain Avogadro's law on the basis of kinetic theory of gases.

A: Avogadro law states that under certain physical conditions of pressure and temperature, with equal v...