Q.2 A projectile Is fired with Initial velocity 10 m/sec making an angle 60° with horizontal.
What is its velocity at max, height?
A) 10 m/sec
C) Zero
B) 5 m/sec
D) 20 m/seC

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided