Determining how fast the ball is moving
A man on the top of a building throws a ball at 18m/s at a 35 degree angle off a 165m building. Determine how fast the ball is moving if it strikes the ground.
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The two converging lenses, each having a focal length of 14.9 cm, are positioned 39.4 cm apart and an object is positioned 30.0 cm in front of the first lens. Where is the final image made? Determine the magnification of the system?
When the difference in pressure is measured to be P1 - P2 = 1.20 kPa and the radius of the inlet tube to the meter is 1.40 cm. (i) Determine the speed of the gasoline as it departs the hose.
(i) Write down an expression for U as a function of x, having U in joules and x in meters. (ii) Determine the maximum positive potential energy?
An independent-measures research study was used to compare two treatment conditions with n = 12 participants in each treatment. The first treatment had a mean of M = 55 with a variance of s2= 8
In this exercise we relate the large sample confidence interval for Bernoulli parameter p to the hypothesis test: H0: p=p0 vs. Ha: p not equal to p0. Show that a (1-alpha)*100% confidence interval for p is precisely that set of all hypothesized p0
Determine the magnitude of the total gravitational force on one of the masses, due to the other three?
The work functions for sodium, cesium, copper and iron are respectively: 2.3, 2.1, 4.7 and 4.5 eV. Which of these metals will not release electrons if visible light shines on it
Determine the static reliability? As the variability (variance) of eaither the strength or load increases. What happens to the reliability?
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