Two parallel wires are separated by 6.65 cm, each carrying 3.25 A of current in the same direction. (a) What is the magnitude of the force per unit length between the wires?

The radius of curvature is smaller at the top than on the sides so that the downward centripetal acceleration at the top will be greater than the acceleration due to gravity, keeping the passengers pressed firmly into their seats.

What best explains why a person can become sunburned by spending too much time at the beach

A student wants to determine the impulse delivered to the lab cart when it runs into the wall. The student measures the mass of the cart and the velocity of the cart before it hits the wall.

Which of these is a substance or compound that kills or inhibits bacteria? A. an antibiotic B. a germ C. a microorganism D. a vaccine

Calculate the frequency, in HZ, of a wave in a string traveling 1.25 m/s, with a wavelength of 0.50m

Which one is more accurate M1 = 1.0cm + - 0.1cm M2 = 0.10cm + - 0.01cm M3 = 0.100cm + - 0.001cm A. M1 B. M2 C. M3 D. All have same accuracy

What is the name of the group of elements that are human-made and do not occur in nature?

The waters of a lake will be most layered in which season A. winter B. spring C. summer D. fall

a 160kg space vehicle is traveling along a straight line at a constant speed of 800. meters per second. the magnitude of the net force on the space vehicle is

Two blocks are at the top of a ramp. Block A slides without friction to the bottom, and at the same instant block B drops vertically to the ground. (a) Which block reaches the ground with the greater speed? Explain.