While car travels around circular track at constant speed

Assignment Help Physics
Reference no: EM13660742

1. When a rock thrown straight upwards gets to the exact top of its path, its

A) velocity is about 10 m/s and its acceleration is zero.

B) velocity is zero and its acceleration is zero.

C) velocity is zero and its acceleration is about 10 meters per second per second.

D) velocity is about 10 m/s and its acceleration is about 10 meters per second per second.

E) none of these

2. While a car travels around a circular track at a constant speed its

A) inertia is zero.

B) acceleration iszero.

C) velocity is zero.

D) none of the above

Reference no: EM13660742

Questions Cloud

Sodium vapor lamp visible light is emitted with wavelength : In a sodium vapor lamp visible light is emitted with a wavelength of 5840 Å. How many photons are emitted per second if the lamp has a 25-Wrating?
What is the minimum length of the mirror : A cowboy, 6.8 feet tall with his hat, views his full image in a plane mirror. What is the height of the image? What is the minimum length of the mirror?
Contrast the center of gravity and center of mass of moon : Contrast the center of gravity (CG) and center of mass (CM) of the moon. (Suppose the moon is spherical and centered means the center point of the sphere)
A converging lens has a focal length : A converging lens has a focal length of 20 cm. A 1 cm tall object is placed 35 cm in front of the lens. Find the image location, size, and explain it
While car travels around circular track at constant speed : When a rock thrown straight upwards gets to the exact top of its path, its. While a car travels around a circular track at a constant speed its
How much energy is stored in the flywheels motion : A car is designed to get its energy from a rotating flywheel by a radius of 1.50 m and a mass of 400kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 5000 rev/min. How much energy is ..
What was the angular velocity of the wheel : Emilie's potter's wheel rotates by a constant 2.10rad/s^2 angular acceleration. After 3.80 s , the wheel has rotated through an angle of 70.0 rad. What was the angular velocity of the wheel at the beginning of the 3.80 s interval?
Cubical piece of heat-shield-tile from space shuttle measure : A cubical piece of heat-shield-tile from the space shuttle measures 0.15 m on a side and has a thermal conductivity of 0.065J/(s·m·C°). The outer surface of the tile is heated to a temperature of 1240°C, while the inner surface is maintained at a tem..
Baking dish is removed from hot oven-placed on cooling rack : A baking dish is removed from a hot oven and placed on a cooling rack. As the dish cools down to 32.0°C from 172°C, its net radiant power decreases to 11.0 W. What was the net radiant power of the baking dish when it was first removed from the oven? ..

Reviews

Write a Review

Physics Questions & Answers

  What is the magnitude of earths acceleration

when you drop a .40 kg apple, Earth exerts a force on it that accerlerates it at 9.8 m/s/s toward Earth's surface. what is the magnitude of Earth's acceleration

  Calculate the shells velocity when it leaves the mortar

a 2.50 kg firework shell is fired straight up from a mortar and reaches a height of 110 m. Neglecting air resistance, calculate the shell's velocity when it leaves the mortar

  Determine the speed at which the satellite travels

A satellite is in a circular orbit about the earth (M = 5.98 x 1024 kg). The period of the satellite is 6.84 x 104 s. What is the speed at which the satellite travels

  What is the angle between the two rays in the glass

A ray of one color, for which n=1.51, and a ray of another color, for which n=1.6, travel through a piece of glass. What is the angle between the two rays in the glass

  Plate area of a parallel-plate capacitor

The plates of a spherical capacitor have radii 34.0 mm and 50.0 mm. Calculate the capacitance.

  What is the impedance at the resonant frequency

A 190-?F capacitor and a 80m H inductor are in series with a 105 ? resistor. What is the impedance at the resonant frequency

  Q1 in a science fiction story a microscopic black hole is

q1. in a science fiction story a microscopic black hole is given an enormous positive charge by firing an

  What is the average power of the flywheel

The angular momentum of a flywheel having a rotational inertiaof 0.200 kg·m2 about itscentral axis decreases from 3.20 to 1.200 kg·m2/sin 1.60 s. What is the average power of the flywheel?

  Calculate current that results in magnetic dipole moment

A circular coil of 180 turns has aradius of 1.30 cm. (a) Calculate the current that results in a magnetic dipole moment of 2.30A·m2.(b) Find the maximum torque that the coil,carrying this current, can experience in a uniform 50.0 mT magnetic field

  What is the average velocity for the trip

A car travels east at 77 km/h for 6.0 h. It then travels 40.0° east of north at 112 km/h for 6.0 h. What is the average velocity for the trip

  Consider two spheres with two masses and two charges at a

consider two spheres with two masses and two charges. at a distance of 119.0 m the ratio of the electric force to the

  At what temperature is the diameter of the hole equal

At what temperature is the diameter of the hole equal.

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