How far from the finish should she begin to sprint

Assignment Help Physics
Reference no: EM1322258

Q1. Two cars are travelling on a dirt road between 3 consecutive poles after 5.40s they are side by side at next telephone pole. The distance between the poles is 66.30m.

Q2. A runner is planning for a 10km race. She can preserve a steady speed of 3.9 m/s for as much time as essential before ending the race with a 7.90 m/s sprint. If she wants to finish in 40 min or less, how far from the finish should she begin to sprint?

Reference no: EM1322258

Questions Cloud

What percent would the fraction of volume submerged change : A force of 715 N is applied to a roller-coaster car to push it horizontally. If 2.72 X 10^4 J of work is done on car, how far has it been pushed.
Push hardly against the solid wall : If a person were to push hardly on a solid wall will the work be done? Also, why would it be exhausting to push hardly against this solid wall?
The direction of the force would stay the same : If the charge of the point charge in the figure were -2Q (instead of +Q), by what factor would the magnitude of the force on the point charge due to the dipole change.
The origin of the coordinate system : The origin of the coordinate system and with a label at their heads. Two of these vectors are given in terms of the unit-vectors I and j as
How far from the finish should she begin to sprint : Two cars are travelling on a dirt road between 3 consecutive poles after 5.40s they are side by side at next telephone pole. The distance between the poles is 66.30m.
What is the magnitude of its average acceleration : A jogger accelerates from rest to 5.87 m/s in 3.53 s. A car accelerates from 21.3 to 34.7 m/s also in 3.53 s. (a) Find the magnitude of the acceleration of the jogger. (b) Find out the magnitude of the acceleration of the car. (c) How much further..
State the location of the fly in polar coordinates : A helium-neon laser intended for instructional use operates 7.5 mW. Find out the maximum value of the electric field at a point where the cross sectional area of beam is 10 mm.
The wavelength of an ocean wave : The wavelength of an ocean wave
Find out the x and y components of craft''s acceleration : Vector A has a magnitude of 10m and makes an angle of 78o with the positive x axis. Vector B also has a magnitude of 13m and is directed along the negative x axis. Enter your answers in distance then angle (in degrees).

Reviews

Write a Review

Physics Questions & Answers

  Compute the work done on it by the rope

The aurora is caused when electrons and protons, moving in earth's magnetic field of 5x10^-5 T, collide with molecules of the atmosphere and cause them to glow. What is the radius of the circular orbit for (a) an electron with speed 1.0×10^6 and (b) ..

  How far away did the shell hit

If air resistance & other effects are ignored how far away did the shell hit.

  Assume the student''s mass is 53.0 kg

An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 37 mm and 92 mm. The electric potential of the inner conductor regarding the outer conductor is -574 V.

  What is total distance the bird travels by trains collide

What is total distance the bird travels by trains collide

  Compute the scalar product v.f

Compute the scalar product V.F

  The distance from the central maximum of the diffraction

Monochromatic light from a distant source is incident on a slit 0.750 {rm mm} wide. On a screen 2.00 {rm m} away, the distance from the central maximum of the diffraction pattern to the first least amount is measured to be 1.35 {rm mm}.

  Conclude the maximum height the frisbee

One side of the roof of a building slopes up at 34.0°. A student throws a Frisbee onto the roof. It strikes with a speed of 15.0 m/s and does not bounce, but slides straight up incline. The coefficient of kinetic friction between plastic and roof is ..

  What is the minimum rate of rotation

What is the minimum rate of rotation, in revolutions per minute, required for the spheres to contact the cylinder wall?

  How fast was the bullet travelling before the collision

A 0.04 kg bullet collides in elastically with a 0.5 kg ballistic pendulum. Before the collision the pendulum was at rest but immediately after collision the pendulum is moving with speed of 13.6 m/s. How fast was the bullet travelling before the coll..

  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.

  Computing the takeoff speed and kinetic energy

Computing the kinetic energy, takeoff speed, and kinetic energy per kilogram.

  Time elapses before the ballast bag hits the ground

An elastic cord is 64 cm long when a weight of 56 N hangs from it and is 69 cm long when a weight of 83 N hangs from it. What is the "spring" constant of this elastic cord.

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