Q. A 130 block on a frictionless table is firmly attached to one end of a spring with = 29. The other end of the spring is anchored to the wall. A 30 ball is thrown horizontally toward the block with a speed of 6. If the collision is perfectly elastic, what is the ball's speed immediately after the collision?

How resulting acceleration compare with original accleration : If the mass of a sliding block is tripled at the equal time the net on it is tripled, how does the resulting acceleration compare with original acceleration? |

Probability relating to tickets drawn from a box : A box contains 9 tickets numbered 1 to 9 inclusive. If 3 tickets are drawn from a box one at a time, find the probability that they are alternative after (1) odd, even, odd or (2) even, odd, even. |

Create the behavioral vhdl model for thirty two-bit alu : Create the behavioral VHDL model for 32-bit ALU. The ALU has 4-bit "op" control singal. Relationship between the "op" and operations of ALU. |

Was the decision to terminate the 10-year-old ethical : Was the decision to hire the 10-year-old ethical? Was the decision to terminate the 10-year-old ethical? |

What is the ball speed immediately after the collision : what is the ball's speed immediately after the collision? |

Making a pcr reaction mixture : Assume you are creating a PCR reaction mixture with a total volume of 50µL. The primer set concentration is 1µl primer/10µl reaction volume. |

What speed does the rock have as it strikes the ground : what speed does the rock have as it strikes the ground? |

Back out the t-statistic for the test : My question bout How do I use the TINV function within excel to back out the t-statistic for the test? Why did you use the TDIST function? I know ho to use the TINV function, but what does it mean to back out the t-statistic for the test? |

Illustrate what is the rate of return for this machine : Expect the maintenance also operating costs to be $3000 a year also to increase $600 per year. The salvage value of the machine will be $20,000. Illustrate what is the rate of return for this machine? |

## Suppose someone drops an apple from a vertical distanceHow long after the arrow was shot must the apple be dropped, in order for the arrow to pierce the apple as the arrow hits the tree. |

## Four astronauts are in the spherical space stationIf, as is typical, each of them breathes about 500 {rm{ cm}}^3 of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year. |

## What is the size of the induced current in the loopThe resistance of the loop is 0.490 ohms. A magnetic field parallel to z-axis is given by B= 0.830 y^2 t, where B is in tesla, y in meters, and t in seconds. What is the size of the induced current in the loop at t = 0.470s . |

## What do you mean by wind velocityThe drawing shows a mercury barometer. Consider two barometers, one using mercury and another using an unknown liquid. assume that the pressure above the liquid in each tube is negligible. The height of the unknown liquid is 18.3 times greater tha.. |

## What is the tension in the right support wireA 529 kg automobile slides across an icy street at a speed of 66.0 km/h and collides with the parked car which has a mass of 856 kg. The two cars lock up and slide together. What is the velocity of the two cars just after they collide. |

## What is the normal force that the incline exerts on blockWhat is the normal force that the incline exerts on the block. find the acceleration of the block. |

## Find the frequency of vibrationsAn electric vehicle starts from rest and accelerates at a rate of 2 m/s2 in a straight line until it reaches a speed of 25.00 m/s. The vehicle then slows at a constant rate of 1.1 m/s2 until it stops. (1) How much time elapses from start to stop? .. |

## What is the tension in each of the cablesMake use of 9.80 for the magnitude of the acceleration because of gravity. |

## What will be the magnitude of the accelerationA lead ball is dropped into a lake from the diving board 30 m above the water. After entering the water, it sinks to the bottom with the constant velocity equal to velocity with which it hit the water. The ball reaches the bottom 10 s after it is .. |

## Determine the gauge pressure at a second pointA 20 wood ball hangs from a 1-long wire. The highest tension the wire can withstand without breaking is 600. A 0.90 projectile travelling horizontally hits and embeds itself in the wood ball. What is the largest speed this projectile can have with.. |

## How much charge is on the positive plateA student yells across a street at a concrete wall. The student hears an echo 0.500 seconds later. If the speed of sound in air is 343 m/s, what is distance from the student to the wall only. |

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