Calculate the heart rate reserve for a 40-year-old with a resting heart rate of 75. a. 80.5 b. 105 c. 115.5 d. 130.2

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

Y do magnets go apparent when pushed together

A windmill (wind turbine) is an example of a (n). A) generator. B) resistor. C) insulator. D) motor.

3. In a physics lab, 0.500-kg cart (Cart A) moving rightward with a speed of 100 m/s collides with a 1.50-kg cart (Cart B) moving leftward with a speed of 20 m/s. The two carts stick together and move as a single object after the collision.

Some specialized cells such as neurons and red blood cells lose their ability to replicate when they mature. Which phase of the cell cycle do you think is terminal for these cells and why?

What is the unit for electric charge? Kilogram Newton Electron Coulomb

What does the speed of sound depend on?

Define the law of conservation of momentum in one sentence

What is the Doppler effect in sound waves? A. When an object is moving perpendicular to the direction of sound waves they compress. B. Where an object's motion causes sound waves to be compressed or rarified. C.

A net charge is placed on a hollow conducting sphere. How does the net charge distribute itself? A net charge is placed on a hollow conducting sphere.