An element's atomic number is 48. How many protons would an atom of this element have?

Find the unbalanced force required to accelerate a 6kg mass at 3ms

Part A: You select a rental package that includes a car with an average consumption of 6.00/rm liters of fuel per 100/rm km. Considering that in Europe the average fuel cost is 1.

What is the difference between force and energy

Imagine you want to design a toy boat from a block of clay. What would you need to consider to make sure that your boat can float?

A 6-ft-long fishing rod AB is securely anchored in the sand of a beach. After a fish takes the bait, the resulting force in the line is 8.6 lb. Determine the moment about A of the force exerted by the line at B.

Two copper wires with different diameters are joined end to end. If a current flows in the wire combination, what happens to electrons when they move from the larger-diameter wire into the smaller-diameter wire?

A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player/'s hand.

Volume can be measured in liters or cubic meters. a. T b. F

A spring with a spring constant of 1200 N/m has a 55-g ball at its end. The energy of the system is 5.5J. What is the amplitude of vibration?

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which one of the following must be true? a. W1 is zero, and W2 is positiveb. W1 = - W2c.