A bar on a hinge starts from rest and rotates with an angular acceleration α = 12 + 5t, where α is in rad/s2 and t is in seconds. Determine the angle in radians through which the bar turns in the first 4.88 s.

Which instrument would a meteorologist use to measure weather data from the upper atmosphere? A. Ceilometer B. Anemometer C. Satellite D. Radiosonde

Obligation of reasearchers to review true or fasle

How do you disseminate a car if you rub it with rubber

The Earth's atmosphere stops most types of electromagnetic radiation arriving from space including energy from the Sun.

Sitting in a chairlift, Rebecca has a gravitational potential energy of 5,997.6 J. If Rebecca has a mass of 51 kg, how high off the ground is the lift? OA) 6 m OB) 12 m OC) 118 m OD) 612 m

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

Halley's Comet appears around the sun about once every 76 years. It passes through the part of its orbit nearest the sun in just a few months but then moves out to great distances and takes more than half a century for the rest of its orbit.

In order to hike around a portion of Lake Allatoona, a tour guide determines that he must take his group 150 m east, 60 m north, then 75 m west.

Explain what happens to light when it is refracted at the surface of water.

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct? (There could be more than one correct choice.