Does aliens exist in this world

What is efficiencywhat is the formula of mechanical advantage and velocity ratio of labour

At a given instant of time, a car and a truck are traveling side by side in adjacent lanes of a highway. The car has a greater velocity than the truck. Does the car necessarily have a greater acceleration? Explain.

How do organs compare to organ systems

What causes an object to rotate

Which condition would cause salinity of ocean water to decrease A. High rates of evaporation B. Freezing of glaciers C. Extremely hot weather D. A river flowing into the sea

How are the functions of the cytoskeleton and the cell wall similar

A 15.0 volt storage battery is connected to three resistors, 7.75?, 15.5?, and 21.7?, respectively. the resistors are joined in series. what is the current in the circuit?

3. When driving a car, the chemical energy in gasoline is converted to heat (thermal energy) in the engine. Most of this thermal energy is then converted to mechanical energy, which makes the car move. What happens to the rest of the thermal energy?

Does aliens exist in this world

An olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the sprinter's average acceleration?