A baseball is traveling (+30 m/s) and is hit by a bat. It leaves the bat traveling (-40 m/s). What is the change in the velocity? Remember that direction is what makes velocity different than speed.

How dose silicon shape our technological reality?

The fast server in women's tennis is Venus Williams, who recorded a serve of 130 mi/h (209 km/h) in 2007 If her racket pushed on the ball for a distance of 0.11 m, what was the average acceleration of the ball during her serve?

Halla el valor calórico de 20mL de leche parcialmente descremada que contiene en promedio 5 g de hidratos de carbono, 3 g de proteínas y 2.5 g de grasas

If the density of an object is 60 g/cm^3 and its mass is 20 grams, what is its volume in cm^3? A) 0.33 B) 3 C) 80 D) 1200

Because of the structure of the electron cloud, as particles were radiated onto a gold atom, what was observed during Rutherford's experiment? a. Electron cloud absorbed the particles b. Particles that struck the nucleus went straight c.

A python can detect thermal radiation from objects that differ in temperature from their environment as long as the received intensity of thermal radiation is greater than 0.60 W/m2. Your body emits a good deal of thermal radiation.

A planet has a mass of about 6.4 x 1023 kg, and its moon has a mass of about 9.6 x 1015 kg. if the magnitude of the gravitational force between the two bodies is 4.6 x 1015 n, how far apart are the planet and its moon? a. 9.4 x 106 c. 4.6 x 109 b. 2.

Is burning a nonrenewable natural gas a chemical change

The magnitudes of the vertical and horizontal components of a vector are 11 and 17 centimeters respectively. Find the magnitude of the vector and the angle from the horizontal axis.

A rectangular coil with sides 0.10 m by 0.25 m has 500 turns of wire. It is rotated about its long axis in a magnetic field of 0.58 T directed perpendicular to the rotation axis.