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This page lists questions and answers that were posted by visitors named grey.

Questions

The following questions were asked by visitors named grey.

How is the expected outcome determined in a discrete distribution? I do not understand this question. Could someone please help me.
15 years ago
A card is drawn at random from an ordinary deck of playing cards. Find the following odds. A. Odds in favor of drawing a 5,6,7 B. Odds against drawing a king, queen, jack, or ace D.Odds against drawing an even numbered (2,4,6,8,10)card. Can I get some hel...
15 years ago
The above graph represents the motion of two vehicles: A and B What is the acceleration of vehicle A during the first 5.0 s? Calculate the distance between vehicle A and B after 6.0 s? What is the instantaneous acceleration of vehicle A at the 10.0 s mark...
11 years ago
Calculate the average velocity for a remote controlled vehicle that starts with a speed of 1.0 m/s [forward] and then accelerates at 0.08 m/s2 [backward] for 4.0 s.
11 years ago
Sarah is pushing a 10 kg buggy and exerts a force of 100 N along the handle. If the handle is elevated at 37° to the horizontal, determine the component of the force that will move the buggy forward. If a frictional force of 60 N exists as she pushes it o...
11 years ago
A ball on the end of a string is moving in a horizontal circle. If the centripetal acceleration of the ball is 12 m/s2, while it is travelling at 3.0 m/s, what would the acceleration be if its speed increased to 4.0 m/s. Assume that the radius of rotation...
11 years ago
In a rescue scene during the 911 crisis, a helicopter of mass 6000 kg accelerates upwards at the rate of 0.50 m/s2 while lifting a 2500 kg piece of concrete. What is the upward force exerted by the rotors of the helicopter? What is the tension in the cabl...
11 years ago
A 55 kg skateboarder accelerates down a ramp and hits the pavement moving at 5.6 m/s. If the pavement has a coefficient of friction of 0.11, how far will skateboarder glide before coming to a stop?
11 years ago
A 2.0 kg mass is fastened to a spring with force constant of 45 N/m. The mass is held motionless by a student at a position 15 cm below the spring's natural unstretched position. When the ball is released, what is the Fnet acting on it? What is the accele...
11 years ago
A 2.2 kg bowling ball is dropped vertically from a height of 1.5 m onto a long compression spring (k = 150 N/m) placed vertically underneath it. What is the maximum compression of the spring?
11 years ago
A horizontal spring with spring constant of 120 N/m is compressed a distance of 0.25 m and placed in front of a ramp angled at 30° above the horizontal. A 1.5 kg ball is placed in front of it and released. How far will the ball roll up the 30° ramp? Again...
11 years ago
A collision in Phystown is being analyzed by the O.P.P. accident analysis team. A 1000 kg Toyota known to be moving at 65 km/h [W] collided at an intersection with a 3000 kg SUV moving [N]. After the collision, the two vehicles "stuck" together and the po...
11 years ago
A 1.0 kg puck sliding at 15 m/s along some horizontal frictionless ice strikes and compresses a horizontal spring attached to one end of the ice rink. If the spring has a constant of 35 N/m, what is the maximum compression of the spring?
11 years ago
alculate the final speed of a 1500 kg roller coaster if it has an initial speed of 16 m/s but reduces its elevation by 8.6 m by coasting down a frictionless incline.
11 years ago
A 0.50 kg cue ball makes a glancing blow to a stationary 0.50 kg billiard ball. After the collision the cue ball deflects with a speed of 1.2 m/s at an angle of 30.0° from its original path. Calculate the original speed of the cue ball if the billiard bal...
11 years ago
A bullet of mass 45 g is fired at a speed of 220 m/s into a 5.0 kg sandbag hanging from a string from the ceiling. The sandbag absorbs the bullet and begins to swing. To what maximum vertical height will it rise?
11 years ago
What is the minimum speed required to simulate artificial gravity?
11 years ago
Calculate the mass of Jupiter knowing that a person who weighs 490 N on the earth's surface would weight 1293 N on the surface of that planet. Jupiter has a radius of 7.15 × 107 m.
11 years ago
The gravitational field strength of an unknown planet is 15.5 N/kg on its surface. Calculate the value of g if the planets mass and radius were both doubled.
11 years ago
How much additional energy is needed to fire a 7.2 × 10^2 kg weather monitor on the earth’s surface to a height of 120 km above the earth? (rE = 6.38 × 10^6 m, ME = 5.98 × 10^24 kg) Assume that the weather monitor rises to that height, stops, and falls ba...
11 years ago
Using the data from Step #3 and the velocity found above, compare the gravitational potential energy of the ball at the top of the incline, with the kinetic energy of the ball just before it leaves the table. (you do not need to know the mass, just let it...
11 years ago
Energy & Momentum Calculations Assessment Answer the following questions. A 1.0 kg puck sliding at 15 m/s along some horizontal frictionless ice strikes and compresses a horizontal spring attached to one end of the ice rink. If the spring has a constant o...
11 years ago
2.00 m long straight copper wire has a current of 8.0 A in it as it passes through a magnetic field. The magnitude of the force on the conductor is 2.00 N. The angle between the current and the magnetic field is 45°. What is the magnitude of the uniform m...
11 years ago
a 111.4mg ore sample containing iro with acid , filtered and diluted to 200.0ml in volumetric flask. a 1000ml aliquot is transferred to a 100.ooml volumetric flask containing hrdroxylamine hydrochloride, sodium acetate and 1,10- phenanthroline and diluted...
10 years ago
what is a sigma bond
10 years ago
Trey is ordering one sandwich one fruit and one drink for lunch the sandwich fruit and drink choices are shown Sandwich - turkey fruit choices - apple or orange drink choices - juice milk or water Which tree diagram shows all of the possible outcomes A -...
8 years ago
these are the ages of the starting players on Aaron's basketball team what is the average (mean) age of the team Jon - 8 Jim - 9 Bill - 6 Bob -8 aaron -9 A 8 years B 9 years C 8 1/2 years D 6 1/2 years E 7 years My answer is B
8 years ago
1 - Which of the following best describes the term sustainable development? development of future businesses improvements in future standard of living development maintaining resources for the future improvements in quality of life for future generations...
4 years ago

Answers

The following answers were posted by visitors named grey.