physics

The slope of a straight-line velocity-time graph represents?

A. uniform acceleration B. uniform speed C. total distance traveled D. work done Correct Answer: Option A A. uniform acceleration

6 years ago

The resultant force in a couple is?

A. zero B. infinite C. the sum of the forces D. the product of the forces Correct Answer: Option A…

6 years ago

An object floats in a fluid when it displaces it’s?

A. volume of liquid in which it floats B. mass of fluid in which it floats C. weigth of fluid…

6 years ago

Which of the following units is derived?

A. kg B. m C. K D. N Correct Answer: Option D D. N

6 years ago

Materials that can be stretched and still return to their original forms when the stresses are removed are said be?

A. elastic B. elastomer C. plastic D. thermoplastic Correct Answer: Option A A. elastic

6 years ago

Which of the following statements about mass and weight are correct?

i. Weight is the force of gravity on a body. ii. The mass of a body is the quantity of…

6 years ago

In a p-type semiconductor, the?

A. number of holes is equal to the number of electrons B. electrical resistivity increases C. electrons are the majority…

6 years ago

The phenomenon by which two light atomic nuclear combines to form a heavy nuclide with the release of energy is known as?

A. radioactivity B. nuclear fusion C. nuclear fission D. chain reaction Correct Answer: Option B B. nuclear fusion

6 years ago