Displacement vectors of 4 km north, 2 km south, 5 km north, and 5 km south combine total displacement of

A) 16 km north

B) 2 km north

C) 16 km south

D) 2 km south

List the following colors of visible light from lowest energy to highest energy: green, blue, yellow, red, violet.

The operating potential difference of a light bulb is 120 V. The power rating of the bulb is 70 W. (a) Find the current in the bulb. A (b) Find the bulb's resistance.

Which isotope has 16 neutrons and is used to study nucleotides and nucleic acids? A. phosphorus-31 B. phosphorus-32 C. sulfur-32 D. sulfur-33

What is the frequency of an electromagnetic wave with a wavelength of 20cm?

When a 58g tennis ball is served, it accelerates from rest to a constant speed of 36 m/s. The impact with the racket gives the ball a constant acceleration over a distance of 35 cm. What is the magnitude of the net force acting on the ball?

A sound wave has a frequency of 1,395 Hertz. All sound waves in air travel at 343 m/s. Find the wavelength of the sound wave. what's the answer?

Which factor will affect the light-gathering power of a telescope? A. change in the focal length B. change in the diameter of the objective C. change in the angle of the objective D. change in the elevation of the telescope E.

What is the acceleration of a 30.0-kg go kart if the thrust of its engine is 300.0 N?

Which of the following correctly compares a scientific investigation to a demonstration

You push a 45 kg wooden box across a wooden floor at a constant speed of 1.0 m/s. The coefficient of kinetic friction is 0.25. Now you double the force on the box. How long would it take for the velocity of the crate to double to 2.0 m/s