What was the rocks velocity

Assignment Help Physics
Reference no: EM13275795

In outer space a rock of mass 12 kg is acted on by a constant net force ‹ 30, ?14, 49 › N during a 3 s time interval. At the end of this time interval the rock has a velocity of ‹ 113, 82, 102 › m/s. What was the rock's velocity at the beginning of the time interval?

Reference no: EM13275795

Questions Cloud

Define how much heat would be added to the system to achieve : If all the weight from the cylinder was removed infinitely slowly and isothermally (reversible, isothermal expansion) what is the maximum amount of work that the gas could provide? How much heat would be added to the system to achieve this work
Determine the horizontal speed of the runner : At the start of his race, an 84-kg runner pushes against the starting block, Determine the horizontal speed of the runner after the force is exerted for 0.32s
Compute the effective radiation dosage : Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed, each alpha particle has an energy of 6.0× 10-13 J, and that the RBE o..
What is the actual elevation angle of the sun : An underwater scuba diver sees the Sun at an apparent angle of 45.0° above the horizon. What is the actual elevation angle of the Sun
What was the rocks velocity : In outer space a rock of mass 12 kg is acted on by a constant net force ‹ 30, ?14, 49 › N during a 3 s time interval. What was the rock's velocity at the beginning of the time interval
Determine the speed of the sled : A person exerts a force of 120N on a rope that pulls a sled across a very smooth surface. The rope is oriented 37 degrees above the horizontal. Determine the speed of the sled after moving for 10 m
What is the initial projection angle of the projectile : The speed of a projectile when it reaches its maximum height is 0.39 times its speed when it is at half its maximum height
Interval for preventing inter symbol interference : what is the minimum guard time interval for preventing inter symbol interference and what is the maximum data rate (BPSK signaling) where minimum SINR is 40
What is the value of q for the initial acceleration : Two particles are fixed on an x axis. Particle 1 of charge 60.5 µC is located at x = -18.7 cm; particle 2 of charge Q is located at x = 9.53 cm. Particle 3 of charge magnitude 51.7 µC is released from rest on the y axis at y = 27.4 cm.

Reviews

Write a Review

 

Physics Questions & Answers

  Calculate the magnitude of charge q2

A person who weighs 684 N steps onto a spring scale in bathroom, and the spring compresses by 0.518 cm. (a) What is the spring constant? (b) What is the weight of another person who compresses spring by 0.328 cm.

  Find the eyepiece focal length

The distance between the objective and eyepiece lenses in a microscope is 24cm, What eyepiece focal length will give the microscope an overall angular magnification of 350

  Establish an average acceleration

Establish an average acceleration

  Find the average total power radiated by the bulb

If the rms electric field of this light is 18.0N/C at a distance of 1.50m from the bulb, what is the average total power radiated by the bulb

  Determine the drift speed of the electrons in the wire

An aluminum wire having a cross-sectional area of 4.00 3 1026 m2 carries a current of 5.00 A. Find the drift speed of the electrons in the wire

  What is the speed of each marble immediately after collision

A bullet of mass .004 kg is fired horizontally into a wooden block of mass 1.3 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.2. The bullet remains embedded in the block, which is observed to..

  Find the rms value of the electric field

A high-energy pulsed laser emits a 1.2-ns-longpulse of average power 1.7×1011W. Determine the rms value of the electric field

  Explain how far x can a man who weighs from the right

Explain how far x can a man who weighs 447 n from the right support which is 1.1 m from the right side of the board before the board tips?

  What is lumberjacks speed relative to the shore

W hat is lumberjacks speed relative to the shore

  What is the accuracy in the calculated distance to the plane

A radar system can measure the time delay between the transmitted and reflected wave pulses from a distant airplane with an accuracy of 1.02 picoseconds. What is the accuracy in the calculated distance to the plane

  Compute the initial acceleration of the mass attached to l1

The rod is held in the horizontal position shown and then released. Compute the initial acceleration of the mass attached to l1. Assume up is positive and down is negative

  What will happen to that particle

At the instant of engine burnout, the rocket has risen to 52 m and acquired a velocity of 40 m/s. The rocket continues to rise in unpowered flight, reaches most height and falls back to the ground.

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