Which of the following tools is used to mark the spot where a hole is to be drilled in a piece of metal?

a. hacksaw

b. center punch

c. screwdriver

d. cold chisel

How does the location of the outer planets explain their composition and characteristics?

How long does a lunar cycle last

What is the frequency of a microwave of wavelength 3cm?

Calculate the kinetic energy of a car that travels at a speed of 20 m/s and has a mass of 1200 Kg

What has westpac stadium in wellington got to do with the structure of a hydrogen atom

Volume can be measured in liters or cubic meters. a. T b. F

A spring with a spring constant of 1200 N/m has a 55-g ball at its end. The energy of the system is 5.5J. What is the amplitude of vibration?

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which one of the following must be true? a. W1 is zero, and W2 is positiveb. W1 = - W2c.

The amplitude of a sound is the Group of answer choices frequency of the sound. magnitude of displacement of a sound pressure wave. psychological aspect of sound related to timbre. amount of sound energy falling on a unit area.

Air at 38°C and 97% relative humidity is to be cooled to 18°C and fed into a plant area at a rate of 510 m/min. a. Calculate the rate (kg/min) at which water condenses. b.