Physics, 23.04.2020 02:57 johhnyappleseed2006
A 1-kg discus is thrown with a vertical velocity of 19 m/s at an angle of 35 degrees from a height of 1.94 m. Do not factor in air resistance. Calculate the vertical and horizontal velocities.
Answers: 3
Physics, 22.06.2019 00:40
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 1
Physics, 22.06.2019 09:40
When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.
Answers: 1
Physics, 22.06.2019 15:00
A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
Answers: 2
Physics, 23.06.2019 22:00
Someone plz me out ill give 30pts match the vocabulary word with the correct definition. 1. obstacles or difficulties that prevent exercise -regular exercise 2. conditioning that strengthens the heart, lungs, and blood vessels -obese 3. conditioning that strengthens specific muscles -flexibility 4. when a person is very heavy or overweight -muscular fitness 5. conditioning that the joints move better -physical fitness 6. a measurement of how healthy a person is in three main areas limitingfactors 7. a plan to exercise every week -cardiovascular fitness
Answers: 3
A 1-kg discus is thrown with a vertical velocity of 19 m/s at an angle of 35 degrees from a height o...
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