What is another hypthesis that might expain hy hummingbirds seem to prefer red flowers

A car has a mass of 820 kg. It starts from rest and travels 41 m in 3.0 s. What is the force applied to the car?

Before using a string in a comparison, you can use either the To Upper method or the To Lower method to convert the string to upper case or lower case, respectively, and then use the converted string in the comparison. 1. True2. False

When connected to a 230 V socket these electrical currents: Radiant Heater: 4.4A Iron: 0.43A Hotplate: 6.5A Vacuum cleaner: 2.2A Calculate the resistors.

What is the frequency of a microwave of 3cm

A flywheel in the form of a uniformly thick disk of radius 1.23 m has a mass of 93.6 kg and spins counterclockwise at 369 rpm. Calculate the constant torque required to stop it in 2.25 min.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. Which statement is true for this reaction?

Why does an object in motion stay in motion unless acted on by an unbalanced force? A) because forces are what stop and start motion B) because balanced forces cannot exist in nature C) because motion is the inherent state of all matter D) because

A car travels 100 meters in 4.0 seconds. find its average velocity.

What force must he used to do 224 joules of work on an object over a distance of 32 meters

If my science fair project is about if girls can see through illusions better than boys, what would my background research be about?