Randomization in an experiment means that the experimental units or subjects are selected as a simple random sample from the whole population under study.

A. True

B. False

Item 13You have four $10 bills and eighteen $5 bills in your piggy bank. How much money do you have?

Currently, astronomers are observing the universe across many different regions of the electromagnetic spectrum, from gamma rays to radio waves.

A viscoelastic polymer that can be assumed to obey the Boltzmann superposition principle is subjected to the following deformation cycle. At a time, t = 0, a tensile stress of 20 MPa is applied instantaneously and maintained for 100 s.

Newton discovered that gravity behaves differently in space than it does on Earth. true or false?

Two identical soccer balls are rolled towards each other. What will be true after they collide head-on

Is momentum conserved in the collision?

Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?

In a laboratory, you determine that the density of a certain solid is 5.23*10-6kg/mm3. Convert this density into kilograms per cubic meters.

List the solar objects in correct order from the Sun. Venus Earth Mercury Saturn Neptune Mars Jupiter Asteroid Belt The Sun Uranus

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. The area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?