A ball rolls down a ramp for 15 seconds. If the initial velocity of the ball was 0.8 m/sec and the final velocity was 7 m/sec, what was the acceleration of the ball

What is the percent by mass of 5.0 g of iron (II) sulfate dissolved in 75.0 grams of water?

How does uncertainty relate to measurements and calculations made during an investigation? There is uncertainty in each measurement, as indicated by significant figures. There is uncertainty in each count of items used in a procedure.

You are standing in air and are looking at a flat piece of glass (n = 1.52) on which there is a layer of transparent plastic (n = 1.61).

A pendulum is swinging back and forth with a period of 2.0 seconds here on Earth. This pendulum is then brought to the Moon. What will happen to the period of the pendulum, assuming everything else about it remains exactly the same? Explain.

A toy car moves 8 m in 4 s at the constant velocity. whats the car's velocity?

Two slits separated by 0.10 mm are illuminated with green light (l = 540 nm). calculate the distance (in cm) from the central bright-region to the fifth bright band if the screen is 1.0 m away.

Group 18 noble gases are inert because a. they readily form positive ions. b. they can have either a positive or a negative charge. c. their outermost energy level is missing one electron. d. their outermost energy level is full.

An engineer wishes to design a hydraulic system that will transmit pressure of 10,000 pascals using a force of 15 newton's how are large an area should the input piston have

if you traveled the first 150km in 2.5 hours, and the second part of the trip, 100km in 1.4 hours. what w your average speed

In which circuit does charge reverse direction many times per second? O A. An AC circuit O B. A parallel circuit O C. ADC circuit O D. A combined circuit