The universe is made up of ___? A. one galaxy B. Several galaxies C. Thousands of galaxies D. No galaxies

An object with mass of 2 kg is moving along a horizontal surface with a velocity components vx = 5m/s and vy = - 2.5m/s. What is the objects speed? What is its kinetic energy?

What is the electrical charge of a calcium ion that has lost an electron?

How does the position of an object relate to the energy stored in an object?

What are the basic building blocks of matter?

Which characteristics do temperate marine and temperate continental climates have in common? Check all that apply. mild winters hot summers many tall trees moderate amount of precipitation two seasons with temperature differences

Sliding friction definition

How much would a 100kg man weigh on the surface of the sun where the acceleration is 274 m/s

How much current is in a circuit that includes a 9 - volt battery and a bulb with a resistance of 12 ohms?

Find the current Voltage VD and current ID in the following circuit assuming (a) ideal diode. (b) Constant voltage drop model with Von = 0.75V (c) using the exponential model (I_0=1*10^ (-14)). Verify your results through Multisim simulation

Suppose two stars are located in region a of the h-r diagram shown in the figure below. Star X appears much dimmer that Star Y as seen from Earth. Which Star can be inferred to be nearer to Earth, and how do you know?