Physics, 22.01.2021 19:10, veroushkarose7326
Una bala es disparada con una velocidad de 30 m/s, formando un ángulo
de elevación de 30º, respecto a la horizontal. Calcule a) en cuanto
tiempo alcanza la bala su altura máxima? b)a los 3 s, que velocidad
vertical lleva? C) a los 3 s, a que altura se encuentra? D) cual es la
altura alcanzada? E) a que distancia cayó del punto de lanzamiento?
Answers: 1
Physics, 22.06.2019 02:00, LuluMathLover101
Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?
Answers: 3
Physics, 22.06.2019 05:00, masie03
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
Physics, 22.06.2019 05:30, dxpebetty64
Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n
Answers: 2
Physics, 22.06.2019 14:40, sherlinejules1
You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
Answers: 2
Una bala es disparada con una velocidad de 30 m/s, formando un ángulo
de elevación de 30º, respecto...
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