What is the best alternative explanation for the dark matter in the milky way based on the observed orbital motions of stars and gas?

Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 16 m/s at an angle 47 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground.

Express 2759 mockingbirds in kilomockingbirds. answer in units of kmockingbird

A 2.74 F and a 7.46 F capacitor are connected in series across a 40.0-V battery. A 10.1 F capacitor is then connected in parallel across the 2.74-uF capacitor. Determine the voltage across the 10.1 F capacitor.

What is the action and reaction of a ball rolling down a ramp

2. In order to get a Master's degree a person must have first attended a vocational school earned an Associate's degree received a Bachelor's degree,

The bodies of birds are streamlined. Why. When we strike a matchstick with a rough surface it catches fire. why Grooves are made in tyres. why Discuss how friction plays a vital role in daily life.

What will be the force if they are moved so they are only one-eighth as far apart?

NaBr + H3PO4 = Na3PO4 + HBr

Which example describes constant acceleration due only to a change in direction

A roller coaster car travels up and down the hills of its track. Neglecting friction, the sum of its kinetic and potential energy A. equals the sum of the thermal energy generated by friction during the ride. B.