Give an example of a system whose mass is not constant.

1. A spinning top

2. A baseball flying through the air

3. A rocket launched from Earth

4. A block sliding on a frictionless inclined plane

Write a hypothesis about the effect of the racetrack's height on the speed of the car using the format of "if ... then ... because ..." Be sure to answer the lesson question "How can motion be described?"

City A is located 380 km due West of City B. A car leaves City A at 92.0 km/h East, while at the same time, a truck leaves City B at 71.0 km/h West. How far from City A will they pass each other?

ncreasing the frequency of rotation of the coils in an electrical generator increases the output emf. urn coil with a 0.250 m2 area is spun in the Earth's 5.00*10-5T field, producing a 12.0 kV maximum emf.

The acceleration of an object is the slope of its velocity-time graph. True False

Anaerobic exercise requires oxygen Options: True False

What is it called when you connect an object to earth with a conductor

Why is venus the hottest planet in the solar system

Which of the following is an example of an electromagnetic wave? A. ripples on a lake B. the honking of a car horn C. the light from a neon sign D. aftershocks from an earthquake

How fast can we travel in space with current technology?

How would the tides on earth be different if the moon revolved around the earth in 15 days instead of 30 days