Aline on a typical speed vs. time graph means an object is experiencing a constant acceleration.
a.) curved upward
b.) curved downward
c.) slanted upward to the right
d.) slanted downward to the right

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.