In science, a range of possible values resulting from a measurement is referred to as
A) a deviation
B) bias
C) an error
D) an uncertainty
D
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A ball is thrown at an angle of ? above the horizontal. If there is no acceleration due to gravity the ball will follow a straight-line path
Indicate whether the statement is true or false
When the kinetic energy of a simple pendulum decreases, the ______________ of the pendulum increases
Fill in the blank(s) with correct word
A 13,000-N vehicle is to be lifted by a 25-cm diameter hydraulic piston. What force needs to be applied to a 5.0 cm diameter piston to accomplish this? Assume the pistons each have negligible weight
A) 260 N B) 520 N C) 2600 N D) 5200 N
A guitar string 0.65 m long has a tension of 61 N and a mass per unit length of 3.0 g/m
(a) What is the speed of waves on the string when it is plucked? (b) What is the string's fundamental frequency of vibration when plucked? (c) At what other frequencies will this string vibrate?