How tall is the tree

Assignment Help Physics
Reference no: EM138823

Q1. A charge of 28.0 {rm nC} is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104 N/C. What work is completed by the electric force when the charge moves?

Q2. An observer, whose eyes are 1.99 m above the ground, is standing 35.0 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with the treetop makes an angle of 23.0° above the horizontal. How tall is the tree?

Reference no: EM138823

Questions Cloud

Find out the potential energy associated with 0.50 kg : If the mass of both weights is 150 gm, the first mass is located 30 north of east, the second mass is located 30 south of east, and the transducer sensitivity is 0.5 volts/Newton, how large a voltage do you expect to measure? Suppose the transducer h..
How many longitudinal modes would initially contribute : If a parallel mirror He-Ne laser had a homogeneous line shape with v=1.5GHz, and small signal peak coefficient of .001/cm length=100cm and reflectance's 100 percent and 97 percent, how many longitudinal modes would initially contribute to the laser o..
How would keynesian solve : How would Keynesian solve a recessionary gap using personal tax rates.
Contracted and jobs dried up : Even those who were not directly affected by the destruction were hurt because businesses failed or contracted and jobs dried up.
How tall is the tree : An observer, whose eyes are 1.99 m above the ground, is standing 35.0 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with the treetop makes an angle of 23.0° above the horizontal. Ho..
Loan without a futures contract : Which of the following hedging strategies involves a loan without a futures contract.
The coefficient of kinetic friction between block and floor : A 3.57 kg block is drawn at constant speed 4.06 m along a horizontal floor by a rope exerting a 7.68 N force at angle of 15 degree above the horizontal. Work out the coefficient of kinetic friction between block and floor.
Long-run labor demand and factor substitutability : Questions on Long-Run Labor Demand and Factor Substitutability, Own-price elasticity, Cross-price elasticity
Several ways that people and businesses : List several ways that people and businesses in the green movement are participating.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the horizontal component of the plane

A jetliner is moving at a speed of 187 m/s. The vertical component of the plane's velocity is 44.5 m/s. find out the magnitude of the horizontal component of the plane's velocity.

  What is the emf amplitude in secondary

The primary coil of a transformer has 237 turns; secondary coil has 2100 turns. An alternating current is sent through the primary coil. The emf in the primary is 25 V. What is the emf amplitude in secondary.

  How to find the length

How to find the length

  What would be his maximum range on the moon

A converging lens of focal length 18 cm is 30 cm to the left of a diverging lens of focal length - 6 cm. a coin is placed 12 cm to the left of the converging lens. Find (a) location and (b) magnification of the coin's final image.

  The magnitude and direction of the electric field

A 2.00-m tall basketball player is standing on the floor 10.0 m from the basket. If he shoots the ball at a 30 degree angle from the horizontal, at what initial speed must he throw the ball so that it goes through the basket without striking the back..

  What is the distance to the screen

A diffraction grating with 330 {rm lines/mm} is 1.00 {rm m} in front of a screen. What is the wavelength of light whose first-order maxima will be 17.0 {rm cm} from the central maximum on the screen.

  What is the current in circuit

A parallel-plate capacitor is charged to an electric potential of 337 V by moving 3.95×1016 electrons from one plate to the other. How much work is done in charging the capacitor.

  How deep is the river directly below boat

An anchor holding a boat stationary on a river forms a 65 degree angle with the river bottom. The anchor line is 40 meters long. Assume the river has a uniform depth, how deep is the river directly below boat.

  Analyse average density of the white dwarf

Analyse  average density of the white dwarf

  Find out speed of the proton

Find out speed of the proton

  Find out an internal resistance of the battery

The linear impulse delivered by the hit of a boxer is 248 N • s during the 0.373 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? React in units of N

  Find the magnitude of the tension in the wire

Coherent light with wavelength 546 nm passes through two very narrow slits, and the interference pattern is observed on a screen the distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.86 {rm mm} from the center o..

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