The potential energy of a 0.15 kg pendulum is 15 J at the tops of its swing, what is its kinetic energy at the bottom?

a) 2.25 J

b) 0 J

c) 15 J

d) 18.3 J

John and Daniel are playing tug-of-war together. John is exerting 10 N of force. Daniel is exerting 12 N of force. What is their net force?

Potassium hydroxide and phosphoric acid react to form potassium phosphate and water according to the equation: 3KOH (aq) + H3PO4 (aq) K3PO4 (aq) + 3H2O (l) Determine the starting mass of each reactant if 62.1 g of K3PO4 is produced and 80.

Which of the following methods has led to the earliest discoveries of massive planets orbiting near their parent stars a. detecting a planet ejected from a binary star system b. detecting the starlight reflected off the planet c.

What is the momentum of a 0.2kg ball with a speed of 5 m/s

A semi truck accelerates from rest to 36 m/s in just 12 seconds. What is its acceleration?

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?

Aman tosses a jart upward with a velocity of 14.1 m/s a 60° angle

Describe accuracy, precision and best fit line.

Convert 255 cm to meters, millimeters, and kilometers