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 speed of charge

Two identical +45.3 nC point charges A and B, with masses of 3.0*10^-9 kg each, are fixed in place with a distance of 2.54 cm between them. Calculate the speed of charge B when it has reached a distance of 3.68 cm away from charge A

  What is the internal resistance of the battery

A battery produces 41.4 V when 7.40 A is drawn from it and 46.2 V when 2.20 A is drawn, What is the internal resistance of the battery

  Find its change in temperature

To estimate the muzzle speed of a blow dart, fire dart straight up into the air and time how long it takes to come back down. Roughly half of that time is the time for object to decelerate from its initial velocity to motionless. Estimation the in..

  How long is the ball "in flight"

A frictionless pulley has the shape of a uniform solid disk of mass 4.00 kg and radius 28.0cm. A 3.60 kg stone is attached to a very light wire that is wrapped around the rim of the pulley, and the stone is released from rest. As it falls down, the w..

  Find out the magnitude of the current through middle leg pq

Assume The resistance per length of the wire is 0.089 Ω/m. When the magnetic field is 0.5 T, find out the magnitude of the current through middle leg PQ of the circuit.

  Compute the acceleration of the electron

An electron ( mass = 9.11×10?31kg ) leaves one end of a TV picture tube with zero initial speed and travels in a straight line to the accelerating grid, If the accelerating force is constant, compute the acceleration of the electron

  Define the gravitational force and mass

The gravitational force between two masses M and m seperated by a distance r is 40 N. What is the new force when this distance is halved

  What is the positive solution for z

At what distance along the central axis of a ring of radius R = 0.100 m and uniform charge is the magnitude of the electric field due to the ring's charge maximum

  What is the change in kinetic energy of the electron

two parallel plates are separated by a distance of 25mm. the potential difference across the plates is 500v, what is the change in kinetic energy of the electron in electron volts

  Find the moments of inertia of both large and small gears

The compound gear to the right is located inside a truck, whose engine rotates the driving gear with a torque of 816 N·m. find the moments of inertia of both the large and small gears

  Calculate the electric force on q2

Three point charges, q1, q2, and q3, lie along the x-axis at x = 0.0 cm, x = 3.0 cm, and x = 5.0 cm, respectively. Calculate the electric force on q2

  Calculate the force on an airplane

Calculate the force on an airplane which has acquired a net charge of 1450?C and moves with a speed of 150m/s perpendicular to the Earth's magnetic field

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