Magnitude of unknown force
An unknown force pushes a 17 kilogram block across a smooth (frictionless) floor. Three seconds after the force is first applied to the block, the block is moving with a speed of 6 meters per second. What is the magnitude of the unknown force?
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Why do balloons float up into the air?
The driver of a 1800 {kg} car traveling on a horizontal road at 100 kmh suddenly applies the brakes. Due to a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 20.0% of the weight of the car.
Should veritas have a formal ethics policy statement dealing specifically with issues related to marketing genetic tests directly to consumer?
In horse, black coat color is influenced by the dominant allele
A 1400 {rm kg} wrecking ball hangs from a 16 {rm m}-long cable. The ball is pulled back until the cable makes an angle of 27.0^circle with the vertical. By how much has the gravitational potential energy of the ball changed?
•Describes three situations where the actions of a medical assistant were influenced by laws and regulations related to the release of personal and medical information of a patient.
Which of these should cast the most doubt on the relationships depicted by an evolutionary tree?
If she were to use the mattress as a trampoline-losing contact with it for part of each cycle-what minimum amplitude of oscillation does she require?
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