A steel tank is to be positioned in an excavation. determine the requiredmagnitude of force p if the resultant of the two forces applied at a is to be vertical. what is the magnitude of the resultant force?

You want to design a toy puppy that will bark whenever anyone walks past its sensor. Which type of electromagnetic radiation would your design use? A. Ultraviolet radiation B. Visible light C. Gamma rays D. Microwaves

When electrical energy is converted into thermal energy, which of the following must be true? Only the amount of electrical energy changes. Only the amount of thermal energy changes. The total amount of thermal energy plus electrical energy changes.

An example of something that is biodegradable is a leaf in a compost pile. a. True b. False

Velocity-time graph worksheet?

Which term best describes the phrase "something that happens"? A. Experiment B. Observation C. Hypothesis D. Phenomenon

One 10.0 amp resistor is wired in a series with two 10.0 amp resistors in parallel. A 45.0 C battery supplies power to the circuit. What is the total current through the circuit?

How to find acceleration

Which of the following involves the emission of a particle that has the same mass of an electron with a positive charge. a. alpha decay c. positron emission b. beta decay d. nuclear forces

Which of the following is an example of distance

What outside force slows down a parachute?