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Which of the following is contained in a pull start lawnmower?

Question 20 options:

a pulley and a wheel and axle

a wheel and axle and an inclined plane

a pulley and a wedge

a wheel and axle and a block and tackle

A wheel rotates clockwise 6 times per second. What will be its angular displacement after 7 seconds? Answer should be rounded to 2 decimal places

Deer ticks can carry both Lyme disease and human granulocytic ehrlichiosis (HGE). In a study of ticks in the Midwest, it was found that 16% carried Lyme disease, 10% had HE, and that 10% of the ticks that had either Lyme disease or HGE carried both

Suppose mass and radius of the planet are half and twice that of earth's respectively. If acceleration due to gravity of the earth is 10m/S2. Find acceleration due to gravity of that period

If the period of the lowest-frequency sound you can hear is 0.050 s, then what is its frequency?

Dona rolls a marble with a speed of 5.0/m/s across a level table that is 1.6m above the floor. Upon reaching the edge of the table it follows a parabolic path to the floor. How far does the marble travel in the x direction

Whats an example of projectile motion

The fact that the sun rises and sets at different times during the day depending on the time of year is an example of a data trend. True or False

What sample of matter is a single substance

What is a hydraulic machine and what is its purpose? Explain how a simple hydraulic machine performs work.

Is the muzzle velocity a scalar or vector quantity?