What Layer of the Earth is composed of Fe and Ni

neutrons have a mass of 1.675*10 to the negative 27th. determine the kinetic energy of a neutron traveling 20. 5% of the speed of light

Determine the centripetal force acting upon a 40-kg child who swings in a circle at a speed of 3 m/s. The radius of the swing is 20m.

The process of developing a sense of identity during adolescence was highlighted by

Brandi poses as Lady Justice for a skit in her government class. She holds a set of scales above her head with her right hand and a sword by her side in her left hand. She holds the pose for 10 minutes.

The speedometer on a car actually measures the rotational speed of the axle and converts that to the linear speed of the car, assuming the car's tires diameter is 0.62 m. What is the rotational speed of the axle when the car is traveling 20 m/s?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.

How are trade winds affected by the coriolis effect