a survey from teenge research unlimited found that 30% of teenge consumer receives their spending money from part time jobs.if 15 teengers are selected at random, find the probability that 3 of them will have part time jobs

2022-07-13

a survey from teenge research unlimited found that 30% of teenge consumer receives their spending money from part time jobs.if 15 teengers are selected at random, find the probability that 3 of them will have part time jobs

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asked 2020-10-26

A 1.0 kg ball and a 2.0 kg ball are connected by a 1.0-m-long rigid, massless rod. The rod is rotating cw about its center of mass at 20 rpm. What torque will bring the balls to a halt in 5.0 s? Answer in Nm.

asked 2021-02-21

A 5.00 kg package slides 1.50 m down a long ramp that is inclined at $12.0}^{\circ$ below the horizontal. The coefficient of kinetic friction between the package and the ramp is k =0.310. Calculate

(a) the work done on the package by friction (b) the workdone on the package by gravity (c) the work done on the package bythe normal force (d) the total work done on the package (e) Ifthe package has a speed of 2.20 m/s at the top of the ramp, what isits speed after sliding 1.50 m down the ramp?

asked 2021-02-15

(a) How far from a 50.0-mm-focal-length lens must an object be placed if its image is to be magnified 2.00 X and be real?

(b) What if the image is to be virtual and magnified 2.00 X?

asked 2020-11-05

A 292 kg motorcycle is accelerating up along a ramp that is inclined 30.0° above the horizontal. The propulsion force pushing the motorcycle up the rampis 3020 N, and air resistance produces a force of 250 N that opposes the motion. Find the magnitude of the motorcycles

asked 2022-04-06

In the figure, what similarity theorem/postulate justifies that ΔREY ~ ΔMAC

asked 2022-04-21

Use common logarithms to find the value of y in y=(1.08)^15

asked 2022-03-22