The average speed of a person in driving to school is 30 km/h. on the return trip along with the same route, the average speed is 25km/h. what is the average speed for the round trip to the school

Subtitle is the half-life of an element is 10 years how many half-lives will it take before only about 6% of the original sample remains

Examples of Laws Of Motion Which law is best illustrated? Why? 1. Maya hits a curb while riding her bike. The bike stops moving, but Maya is thrown into the air for a split second. 2. A bird flaps its wings, using them to push air downward.

A police officer is called to the scene of a car accident in his accident he sketches the scene and describes it according to his description the car went off of the road and hit a tree right after a bend the driver claimed that a second car ran

The largest and smallest slits in these experiments are 0.16mm and 0.04mm wide, respectively. The wavelength of the laser light is 650nm. How many wavelengthswide are these slits?

How is current affected if the time interval over which the charge passes through a given area decreases while the amount of charge remains the same? a. The current increases. b. The current decreases. c.

How are magnetic poles and electrical charges similar

Applies an input force of 50 n to a crowbar. The crowbar applies a force of 750 n to the lid of a crate. What is the mechanical advantage of the crowbar?

A spring has a spring constant of 256 n/m. how far must it be stretched to give it an elastic potential energy of 48 j?

How does the frequency of an electromagnetic wave compare with the frequency of the vibrating electrons that produce it?

A 10 kg box is pushed with a force of 20N. What is the box's acceleration? 200 m/s 2 m/s2 2 m/s 200 m/s2