A cetain car weighs 25,000 N. Calculate the mass of the car.

245.000 kg

25,000 kg

9.81 m/s2

2,500 kg

Iridium is a component of cosmic dust that rains down upon the earth at a constant rate. Why did Luis Alvarez suggest measuring iridium levels in the K-T boundary? A. He hypothesized that the layer was caused by a supernova explosion. B.

Hour, a bicyclist travels 10 km north and then 6 km south. What is the average In 1 hour, a bid che bicyclist? uth. What is the average velocity of A 4 km/h B. 4 km/h north C. 16 km/h D. 16 km/h north

An electric dyer consumes 7.2 x106 joules of electrical energy when operating at 220 Volts from and AC voltage source for 45 minutes. Determine the current that the dyer draws during operation

How much work would it take to move a coulomb charge across a 4 volt potential difference?

Wich process occurs in a human muscle when it is forced to make tap without oxegen

A roller coaster is entering a vertical loop which has a radius of 25.0 m. If the coaster is traveling at 45.0 m/s as it enters the loop, how much is the centripetal force that you experience? (Assume your mass to be 75.

Which best describes tropical continental climate during the summer? A. clear, dry weather, B. cloudy, wet weather, C. cold, dry weather, D. hot, dry weather

At the beach, describe where or when you would see wave fronts. How are wave fronts useful to surfers?

How would the moon appear from earth if the moon did not rotate?

Block B has mass 4.00 kg and sits at rest on a horizontal, frictionless surface. Block A has mass 2.00 kg and sits at rest on top of block B. The coefficient of static friction between the two blocks is 0.400.