Earth _______________ once a year around the Sun
Fill in the blank(s) with correct word
revolves
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Half-life is the time a celestial body has left in its evolution
a. True b. False Indicate whether the statement is true or false
An automobile gas tank is filled to its capacity of 20.00 gallons with the gasoline at an initial temperature of 10°C. The automobile is parked in the Sun causing the gasoline's temperature to rise to 60°C. If the coefficient of volume expansion for gasoline is 9.6 × 10^-4/°C, what volume runs out the overflow tube? Assume the change in volume of the tank is negligible
a. 1.74 gallons c. 0.72 gallon b. 0.96 gallon d. 0.30 gallon
A 25-kg television set rests on four rubber pads, each having a height of 1.0 cm and a radius of 0.60 cm. A horizontal force is applied to the television set
When the pads are at the point of sliding, how far has the television set moved sideways? The coefficient of friction between the rubber and the floor is 1.0 and the shear modulus of rubber is 2.6 × 106 N/m2. A) 16 mm B) 8.4 mm C) 4.2 mm D) 2.1 mm E) 1.1 mm
If you quickly plunge a room-temperature mercury thermometer into very hot water, the mercury level will
1.go up briefly before reaching a final reading. 2.go down briefly before reaching a final reading. 3.not change.