Can an object's velocity change direction when its acceleration is constant?

A 1.8 kg block of iron at 27 ∘c is rapidly heated by a torch such that 18 kj is transferred to it. what temperature would the block of iron reach assuming the complete transfer of heat and no loss to the surroundings?

An oscillator makes four vibrations in one second. What is its period and frequency?

Whose ideas did Charles Coulomb compare electric forces to? A) Albert Einstein B) Isaac Newton C) Georg Ohm D) James Watts E) Allesandro Volta I chose B) Isaac Newton ... is that correct?

What is brownian movement and what is its important in the explanation of matter?

Match the terms to the correct descriptions. Question 1 options: a surface shaped in such a way that the center curves inward like this: light behavior in which light goes through a medium and bends, going in a different direction.

The circulatory system keeps the body and its tissues continuously oxygenated. It does this by having A) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.

What is the "atomic mass" of an atom?

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.