1. A ball is thrown vertically upward, with an initial velocity of 24.5m/s. Find the velocity after 2, 2.5 and 3 sec. Find its maximum height before returning. Assume no air resistance. Ans. 30.6 m

Q: On cold, clear nights horses will sleep under the cover of large trees. How does this help them keep…

A: Heat transfer takes place through convection, conduction, and radiation.   Conduction takes place…

Q: After combing my cat with a glass comb I bring the comb near a thin steam of water coming from a…

A: Explanation given below

Q: Why does the pressure of gas enclosed in a rigid container increase as the temperature increases?

A: Increase in temperature means increase in the kinetic energy of the particles. And increase in…

Q: Your friend states that the average speed of all hydrogen and nitrogen molecules in a gas is the…

A: The average speed will not be same for all hydrogen and nitrogen molecules.

Q: What issues do rising rooftops present for firemen?

A: Concept used: Rising rooftops cause hazards to firemen.

Q: Blow a quick stream of air at the top of the paper and observe what happens.

A:

Q: What property of water makes it an effective coolant?

A: To be an effective coolant, a substance has to have a high specific heat capacity, so that it can…

Q: A 0.030-kg bullet is fired vertically at 600 m/s into a 0.15-kg baseball that is initially at rest.…

A:

Q: Many tongues have been injured by licking a piece of metal on a very cold day. Why would no harm…

A:

Q: Does it require more or less energy for water to evaporate below the boiling point?  I would assume…

A: It takes less energy for water to evaporate below the boiling point compared to boiling. This is…

Q: What do fiberglass and snow have in common that make them good insulators?

A:

Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.