Physics, 04.07.2019 03:40 DwayneLeonard4088
John and mary are skating at an ice rink. john skates at a constant speed of 6.7 m/s, with respect to the ice surface, directly south. mary skates at a constant speed of 10.9 m/s in a direction of 28â° west of south, with respect to the ice. what are the magnitude and direction of mary's velocity with respect to john? give the direction as measured relative to due south.
Answers: 1
Physics, 21.06.2019 23:00
For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.
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Physics, 22.06.2019 11:00
Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
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Physics, 22.06.2019 12:00
What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?
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Physics, 22.06.2019 16:00
What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass
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John and mary are skating at an ice rink. john skates at a constant speed of 6.7 m/s, with respect t...
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