A small engine causes a 0.30 kg model airplane to accelerate at a rate of 11 m/s2. What is the net force on the model airplane?

At a major league baseball game, you are sitting a distance 52 meters from home plate. how much time passes between seeing josh Hamilton hit a home run and actually hearing the crack of the bat?

Which are methods of reducing exposure to ionizing radiation? Check all that apply

How is the mars placement in the solar system favorable to sustain life?

Thandy is looking at two cells under the microscope. One is a human cheek cell and the other is a leaf mesophyll cell from a plant. Why does thandy need to use a microscope to look at the cells?

You are designing a new solenoid and experimenting with material for each turn. The particular turn you are working with is a circular loop of radius 3.00 cm that carries a current of 12.0 A. Calculate the magnetic field B at the center of the loop.

A student pushes a 60-N block across the floor for a distance of 10 m. How much work was done to move the block

You can or can't pass on a scar to your offspring?

In addition to births and deaths what else can influence the population growth rate?

A 1300 kg car carrying four 84 kg people travels over a "washboard" dirt road with corrugations 3.2 m apart. The car bounces with maximum amplitude when its speed is 13 km/h.

Skeletal muscle cells have large stores of ATP that are readily available and alone can provide energy for maximal exercise lasting 30-60 seconds.