Henry was given this cool toy for his birthday, he can use it to tell how fast someone is moving at that moment in time. The toy must calculate the person's

Is it possibly to make special swords made out of light that can cute through anything like in the movie star wars?

A honey bee flaps its wings 200 times per second. How much time is required for one wingbeat? Give your answer in milliseconds.

An electric dipole consisting of charges of magnitude 1.70 nC separated by 6.80 μm is in an electric field of strength 1160 N/C.

Force F acts between two charges, q1 and q2, separated by a distance d. If q1 is increased to twice its original value and the distance between the charges is also doubled, what is the new force acting between the charges in terms of F?

What are some of your body external defenses against pathogen

Robotic spacecraft have different levels of complexity, which contributes to overall cost. Which of the following types of missions are likely to be the cheapest?

Two balls are placed near one another and hang down, as shown below. Which conclusion is supported by this evidence?

Suppose your bathroom scale reads your mass as 60 kg, with a 4% uncertainty. what is the uncertainty in your mass in kilograms?

An automatic dryer spins wet clothes at an angular speed of 5.2 rad/s. Starting from rest, the dryer reaches its operating speed with an average angular acceleration of 3.2 rad/s². How long does it take the dryer to come up to speed?

A cyclist named Carly Daugherty accelerates from 0 m/s to 8 m/s in 3 seconds. What is her acceleration? Is this acceleration higher than that of Soul Train's car, which accelerates from 0 to 30 m/s in 8 seconds? How do you know