What are magnitude and angle of its velocity

Assignment Help Physics
Reference no: EM13543586

A moderate wind accelerates a pebble over a horizontal xy plane with a constant acceleration a = (4.40 m/s2)i + (7.00 m/s2)j. At time t = 0, the velocity is (4.2 m/s)i. What are magnitude and angle of its velocity when it has been displaced by 11.7 m parallel to the x axis?

Reference no: EM13543586

Questions Cloud

How long was the mallet in contact with the ball : A 0.55 kg- croquet ball is initially at rest on the grass. When the ball is struck by a mallet, the average force exerted on it is 200N. If the ball's speed after being struck is 3.5 m/s , how long was the mallet in contact with the ball?
Tension in the string at the same vertical height as the peg : A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.2 m/s and the tension in the rope is T = 19.7 N. 5) Return to the original ..
What is the ratio of this gravitational force : The centers of a 14kg lead ball and a 50g lead ball are separated by 11cm What gravitational force does each exert on the other?. What is the ratio of this gravitational force to the weight of the 50g ball?
What is the rate of acceleration of the system : A 5.0 kg hanging weight is connected by a string over a pulley to a 9.0kg block sliding on a flat table. If the coefficient of sliding friction is 0.20; what is the rate of acceleration of the system?
What are magnitude and angle of its velocity : A moderate wind accelerates a pebble over a horizontal xy plane with a constant acceleration a = (4.40 m/s2)i + (7.00 m/s2)j. At time t = 0, the velocity is (4.2 m/s)i. What are magnitude and angle of its velocity when it has been displaced by 11.7 m..
A piece of nichrome wire has a radius : A piece of Nichrome wire has a radius of 5.2 x 10-4 m. It is used in a laboratory to make a heater that dissipates 3.50×102 W of power when connected to a voltage source of 100 V. Ignoring the effect of temperature on resistance, estimate the necessa..
Determine the magnitude of net force that acts on the charge : A magnetic field has a magnitude of 0.0011 T, and an electric field has a magnitude of 3.6 × 103 N/C. Both fields point in the same direction. A positive 2.3-?C charge moves at a speed of 4.1 × 106 m/s in a direction that is perpendicular to both fie..
Calculate the potential energy when the block is at point : A small block of mass m = 140 g is released from rest at point along the horizontal diameter on the inside of a frictionless, hemispherical bowl of radius R = 28.0 cm as shown in the figure below. the height = 2R/3 = c (d) Calculate its kinetic energ..
What is the power dissipated : High power lasers in factories are used to cut through cloth and metal. One such laser has a beam diameter of 0.407 mm and generates an electric ?eld at the target having an amplitude 0.985 MV/m.

Reviews

Write a Review

Physics Questions & Answers

  What is the capacitance of the redesigned capacitor

In redesigning a parallel-plate capacitor with circular plates, you triple both the diameter of the plates and their separation. what is the capacitance of the redesigned capacitor

  How long must the patient wait to reach the acceptable level

A hospital patient has been given 131-I (half-life = 8.04 days) which decays at 6.2 times the acceptable level for exposure to the general public

  What is the radius of the loop, in meters

He is sitting on a set of bathroom scales. He notes that scales show four times his normal weight. What is the radius of the loop, in meters.

  What is the angular separation of the two stars

A telescope can be used as a camera if the film is placed at the image position of the objective lens (or mirror); what is the angular separation of the two stars

  What was the potential difference that stopped the proton

A proton with an initial speed of 800000 m/s is brought to rest by an electric field. What was the potential difference that stopped the proton

  Find the acceleration of the book down the incline

Consider a book of mass 10 kg on a frictionless incline that makes an angle of 40? with the horizontal. Find the acceleration of the book down the incline

  What is the angular diameter of the moon

The moon is observed using a telescope that has an objective lens with a focal length of 3.0 m and an eyepiece with a focal length of 7.5 cm. What is the angular diameter of the moon

  Determine the ropes angle from the vertical

A 13.9-kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a 66.5-N horizontal force. determine the rope\'s angle from the vertical

  How much weight will you have gained

Body fat has an energy content of about 38,000 Joules per gram. Suppose your weight has been constant, how much weight will you have gained

  The stationary siren on a firehouse is sounding

The stationary siren on a firehouse is sounding at 85 Hz. What is the frequency received by a firefighter racing toward the station with a speed of 108km/h?

  How long does it take the puck to reach the bottom

Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.00 m/s2. If the ramp has a length of 5.90 m, how long does it take the puck to reach the bottom

  Compute the magnitude of electric field produced by protons

A certain atom of has 81 protons. Assume that the nucleus is a sphere with radius 6.99 fm, compute the magnitude of the electric field produced by the protons

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