A nurse counts 66 heartbeats in one minute. What is the period of the hearts oscillation? In minutes

What is the center of a tornado called A. the eye B. The center C. The middle road D. The vortex

As Brent's spacecraft overtakes Jasmin's identical spacecraft at high speed, Brent notifies Jasmin that his spacecraft is 39.0 m long; Jasmin's spacecraft appears to be 33.0 m long according to his observations.

What type of rock is formed from magma that stays underground as it cools? intrusive igneous extrusive igneous intrusive metamorphic extrusive metamorphic

Which of the following expressions uses the correct conversion factor to convert 35.7 km into the equivalent distance in miles? A) 35.7 km * 1 km/1.609 milesB) 35.7 km * 1 mile/1.609 milesC) 35.7 km * 1 km/1.609 kmD) 35.7km * 1 mile/1.609 km

Each of the two wires in a particular 16-gauge extension cord has an electrical resistance of 0.04 V. You're using this extension cord to operate a toaster oven, so a current of 15 A is fl owing through it.

What landform is created when magma squeezes between rock layers to form a hardened slab of rock? a. volcanic neck b. dike c. lava plateau d. sill

A 200 N wagon is to be pulled up a 30 degree incline at constant speed. how large a force parallel to the incline is needed if friction is negligible?

The temperature of 1 m^3 of water is decreased by 10°C. If this thermal energy is used to lift the water vertically against gravity, what is the change in height of the center of mass?

If the net torque is zero, what does this imply about the clockwise and counterclockwise torques.

Which of the following is an example in which kinetic energy is converted to potential energy? O A. A rock falls down a cliff. OB. A match burns. OC. A spring is stretched. OD. A light bulb glows brightly.