Abullet is fired from a rifle that is held 3.00 m above the ground in a horizontal position. the initial speed of the bullet is 1150 m/s. there is no error in the velocity value. (a) find the time (in s) it takes for the bullet to strike the ground. t = s (b) find the horizontal distance (in m) traveled by the bullet. x = m (c) if the error in time measurements is δt, what will be the equation to calculate error in the horizontal distance (δx)? (assume x is in meters and t is in seconds. do not enter units in your expression. substitute numeric values; the only variable you should enter is δt.) δx =

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

First, launch the video below. you will be asked to use your knowledge of physics to predict the outcome of an experiment. then, close the video window and answer the question at right. you can watch the video again at any point. part a as in the video, we apply a charge +q to the half-shell that carries the electroscope. this time, we also apply a charge –q to the other half-shell. when we bring the two halves together, we observe that the electroscope discharges, just as in the video. what does the electroscope needle do when you separate the two half-shells again? view available hint(s) as in the video, we apply a charge + to the half-shell that carries the electroscope. this time, we also apply a charge – to the other half-shell. when we bring the two halves together, we observe that the electroscope discharges, just as in the video. what does the electroscope needle do when you separate the two half-shells again? it deflects more than it did at the end of the video. it deflects the same amount as at end of the video. it does not deflect at all. it deflects less than it did at the end of the video. submit

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island