Speed v = initial speed u + acceleration a x time t
v=u+at = 2 + 4*3 = 14 m/s
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Answer:</h2><h3><u>mass and weight </u></h3><h2>
Explanation:</h2><h3><u>The Moon is smaller and has less mass than the Earth, so its gravitational field strength is only about one-sixth of the Earth's. So, for example, a 120 kg astronaut weighs 1200 N on Earth but only 200 N on the Moon.
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<span>A ball is thrown downward at 5ms from roof 10m high its velocity when it reaches the ground is 0 m/s. This is because it already dropped from the ground or x axis. So the velocity already stopped. </span>
Answer:do u have a text book so i can see
Explanation: