An object has a constant acceleration of 3 m/s2. The velocity versus time graph for this object has a slope:
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The velocity-time graph of an object is a straight line with…
The velocity-time graph of an object is a straight line with a positive slope. The object has:
The quantity with the same units as force times time, F t ,…
The quantity with the same units as force times time, F t , with dimensions MLT-1 is
A ball is thrown straight up with a speed of 36.0 m/s. How…
A ball is thrown straight up with a speed of 36.0 m/s. How long does it take to return to its starting point?
Calculate the following problem and express your answer with…
Calculate the following problem and express your answer with the correct number of significant digits: 123.09 – 1.7
The equation for the change of position of a train starting…
The equation for the change of position of a train starting at x = 0 is given by x = a t2 + b t3 The dimensions of b are
A PC microprocessor runs at 2.40 GHz. A hertz (Hz) is a unit…
A PC microprocessor runs at 2.40 GHz. A hertz (Hz) is a unit meaning “one cycle per second.” A movie projector displays images at a rate of 24.0 Hz. What is the ratio of the microprocessor’s rate in cycles per second to the update rate of a movie projector? Answer the question using scientific notation.
A 3.70×106 kg piece splits off an iceberg of mass of 5.96×10…
A 3.70×106 kg piece splits off an iceberg of mass of 5.96×107 kg. Calculate the mass of the remaining iceberg and express the answer in scientific notation.
Round each of the following number to two significant digits…
Round each of the following number to two significant digits: 0.98029
Using significant digits, what is the difference between 103…
Using significant digits, what is the difference between 103.5 and 102.24?