What are the initial velocity, final velocity

Assignment Help Physics
Reference no: EM1372560

Q. A pendulum bob of length L has its motion interrupted by the peg perpendicularly beneath the support. The bob is released when the string is horizontal. Find out the minimum value for y in order for the bob to swing in a complete circle. State this value of y in terms of L only.

Q. A 2840 kg truck has a velocity of 8.30 m/s and comes to a stop in 15s. What are the initial velocity, final velocity, initial momentum and final momentum?

Reference no: EM1372560

Questions Cloud

Find out the tensions in the rope : A stunt man whose mass is 70kg swings from the end of a 4.50m long rope along the arc of a vertical circle. Assume that he starts from rest when the rope is horizontal, find the tensions in the rope that are required to make him follow his circula..
What is average number of customers in drive through area : What is average length of "place order line". What is average length of "pick up line". What is average number of customers in drive through area.
Create incident response policy covers development-response : Policy to reduce network down-time if future incidents happen. Create incident response policy which covers development of incident response team, disaster recovery process and business continuity planning.
Compute the firms gain or loss at sale : The Weaver Watch firm sells watches for $25; fixed expenses are $140,000; and variable costs are $15 per watch.
What are the initial velocity, final velocity : A pendulum bob of length L has its motion interrupted by the peg perpendicularly beneath the support. The bob is released when the string is horizontal. Find out the minimum value for y in order for the bob to swing in a complete circle. State thi..
Calculating breakeven discount rate : Suppose you are contemplating an investment project that has 2-phases. As currently planned, 1st phase of the project needs an investment of $100,000 today.
What circumstances are constraints more important : Under what circumstances is objective function more important than constraints in a linear programming model. Under what circumstances are constraints more important than objective function in a linear programming model.
Which has the largest normal force on the crate : A wheel rotating about a fixed axis has an angular position given by q = 3- 2.0t3, where q is measured in radians and t in seconds. What is angular acceleration of the wheel at t = 2.00s.
Has the entropy principle been violated : A 4.00 kg model rocket is launched, expelling 46 g of burned fuel from its exhaust at a speed of 590m/s. What is the velocity of rocket after the fuel has burned? Hint: overlook the external forces of gravity and air resistance.

Reviews

Write a Review

Physics Questions & Answers

  Find out the magnitude and direction of the impulse

what happens to light of a particular frequency when it is incident upon the material that natural frequency is the same as the frequency of the light.

  A spaceship moves past you at speed v

A 23 g ball is fired horizontally with initial speed toward a 110 g ball that is hanging motionless from a 1.1m long string. The balls undergo a head on, perfectly elastic collision, after which the 110 g ball swings out to a maximum angle theta m..

  What is a tension of the cable

Two boats start together and race across a 56-km-wide lake and back. Boat A goes across at 52 km/h and returns at 56 km/h. Boat B goes across at 36 km/h, and its crew, realizing how far behind it is getting, returns at 79 km/h. Turnaround times are n..

  Estimate the velocity of third piece that explodes at rest

An object at rest explodes into three pieces of equal masses. One moves east at 23 m/s,  while the second piece moves northwest at 14 m/s. Estimate the velocity of the third piece? Suppose each piece has a mass of 2 kg.

  The centripetal and tangential accelerations are equal

The acceleration of gravity is 10 m/s2. What is the acceleration of a 39 kg pail of cement that is pulled upward (not sideways) with a force of 421 N? Answer in units of m/s2.

  Define at what temperature is waste heat exhausted

A group of hikers hears an echo 3 s after shouting. If temperature is 16°C, how far away is the mountain that reflected sound wave.

  Find parametric equations for the shell''s trajectory

A shell, fired from a cannon, has a muzzle speed (the speed as it leaves the barrel) of 800 ft/s. The barrel makes an angle of 45o with the horizontal and, for ease; the barrel opening is assumed to be at ground level.

  Find out the magnitude and direction

To stretch a relaxed biceps muscle 2.30cm requires a force of 25 N. Find the Young's modulus for muscle tissue assume it to be a uniform cylinder of length 0.24 m and cross-sectional area 51 cm2.

  The average speed of a nitrogen molecule in air

If it takes 3.60 x10-13 s for a nitrogen molecule to hit the wall and rebound with the same speed but moving in an opposite direction (assumed to be the negative direction), what is the average acceleration of the molecule for the period of this t..

  What is the stopping distance

A lighthouse that rises 49 above the surface of water sits on a rocky cliff that extends 19 from its base. A sailor on the deck of a ship sights the top of the lighthouse at the angle of 30.0 above the horizontal.

  Find out the type of mirror and how far the object is

Find out the type of mirror and how far the object is

  Find the recoil velocity

Blocks with masses of 2 , 4 , and 6 are lined up in a row on the frictionless table. All three are pushed forward by a 56 force applied to the 2 block. How much force does the 4 block exert on the 6 block.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd