A steel piano string of mass per unit lenght 4*10-⁴kgm-¹ was struck, if the speed of the sound on the string is 300ms-¹. Calculate the tension.

which of newton's three laws of motion allows us to determine the force required to do work on an object?

A maroon plane has a takeoff speed of 88.3 m/s and requires 1635 m to reach that speed. Determine the acceleration of the plane

4. An object (Object A) with a mass of 500 kg is traveling in a straight line from west to east at a constant velocity of 34 m/s.

Which of these describes a gas? a. fills volume of the container b. holds it shape c. has high density d. has strong molecular forces

According to Boyles' law, PV = constant. If a graph is plotted with the pressure P against the volume V, the graph would be a (n) : Question 2 options: A. straight line B. parabola C. hyperbola D. ellipse

Which of the following do not involve a direction? Check all that apply. A. Time B. Velocity C. Distance D. Acceleration

What does deltaX mean in physics?

Which activity involves using fossil fuels directly or indirectly? 1) eating fresh fruit for a snack 2) cooking hot dogs on a campfire 3) using crayons to color 4) walking to school

Which of the following objects would have the most inertia? A. A sphere with a radius of 5 cm and a mass of 34 grams. B. A sphere with a radius of 4 cm and a mass of 15 grams. C. A sphere with a radius of 8 cm and a mass of 27 grams. D.

A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book after he slides at assume there is no friction