A 200 kg roller coaster car is located at the top of a hill where the height is 30 m. What is the velocity when it reaches the bottom of the hill? 5.5 m/s 11.2 m/s 16.7 m/s 24.2 m/s

What are the products and reactants in the primary fusion reaction carried out within the sun?

An object experiences an acceleration of - 6.8m/s^2. As a result, it accelerates from 54m/s to a complete stop. how much distance did it travel during that acceleration

Keeping in mind that the kenetic energy of a moving vehicle, how can a driver best prepare to enter sharp curves in a railroad?

Nickel is a common ferromagnetic material. t/f

instruments used to measure the following quantities Mass weight length time and density of a liquid

When h2o is removed from the mixture does the equilibrium shift to the right to the left or is there no shift?

Which best explains why the acoustics underwater affect the Doppler effect? Sound waves can not transfer energy through water. Sound waves can not travel through water. The speed of sound is less in water than in air.

What is the part of the cell that stores food?

2. A circuit consists of a 10.0-ohm resistor, a 15.0-ohm resistor, and a 20.0-ohm resistor connected in parallel across a 9.00-volt battery. What is the equivalent resistance of this circuit? (1) 0.200 12 (3) 4.62 1 (2) 1.95.22 (4) 45.012

What technology makes up the transducer? a. A phased array c. A PET scan b. An x-ray d. A laser