Physics, 25.10.2020 14:40, sierravick123owr441
(a) What is the pressure when a force of 200N acts on an area of 4m/ Show your working. (3)
(b) A force of 300N produces a pressure of 20 N/m². On what are is it acting? Show your working. (3)
(c) In a hydraulic jack, the small piston (A) has an area of 0.1 m and the large piston (B) has an area of 20 m.
(i) If a mechanic pushes on A with a force of 200N, what will be the pressure? Show your working. (2)
(ii) What will be the pressure at piston B? (1) (iii) Calculate the upwards force generated at piston B. Show your working. (2)
(iv) What is the biggest mass of car the mechanic could lift by exerting this force? (1)
Answers: 2
Physics, 22.06.2019 18:30, aROSSconpollo
Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.
Answers: 1
Physics, 22.06.2019 19:30, itsyagirlgona21
Emagnitude of the electrical force acting between a +2.4 × 10–8 c charge and a +1.8 × 10–6 c charge that are separated by 0.008 m is n, rounded to the tenths place.
Answers: 3
Physics, 22.06.2019 21:20, Animallover100
An electron is ejected into a horizontal uniform e⃗ field at a parallel horizontal velocity of v0. assume the electron's initial position x0, initial velocity v0, time t, magnitude of electric field e, electron's mass m, and the magnitude of the electron's charge |e|. ignore the force that earth exerts on the electron. assume the e⃗ field is in the same direction as the initial velocity. part a define the equation for the electron's velocity. express your answer in terms of the variables v0, |e|, t, e, and m.
Answers: 3
(a) What is the pressure when a force of 200N acts on an area of 4m/ Show your working. (3)
(b) A f...
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