##### Physics :

A car going around a curve of radius R at a speed V experiences a centripetal acceleration a . What is its acceleration if it goes around a curve

##### Physics :

Choose the 200 kg refrigerator. Set the applied force to 400 N (to the right). Be sure friction is turned off. What is the net force acting on the refrigerator?

##### Physics :

Which is TRUE about the size principle and the function of motor units? Which is TRUE about the size principle and the function of motor units?

##### Physics :

If you drop a mass on a planet, does the acceleration of gravity on that planet depend upon the planet you are on? Group of answer choices

##### Physics :

Question: What are the characteristics of a rocket system used for space lift (launch)?

##### Physics :

The index of refraction in a plastic rod is 1.04. What is the speed of light in this plastic rod (in meters per second)? Answer in Scientific Notation.

##### Physics :

What do the matter/energy interactions of emission, reflection, refraction, and absorption enable us to learn about objects of interest

##### Physics :

Which of the following is a means used to activate clutches or brakes? Question Select one or more:

##### Physics :

Explain the possible sources of EMEs, its impact on flight safety, and solutions to mitigate the undesirable effects.

##### Physics :

A bystander on the highway observes the ball being tossed toward the front. To the bystander, what is the relative speed of the ball?

##### Physics :

Analyzing Projectile Motion To begin your activity, open this Tracker experiment: Snowboard Jump.

##### Physics :

From the point of view of the rider, what's the direction of the angular momentum vector of the front wheel?

##### Physics :

The rotational inertia of this system of masses about the X-axis, perpendicular to the Z-Y plane, is

##### Physics :

During this interval with power did the spring transform its potential energy into kinetic energy of the mass?

##### Physics :

A mass of one kg is hung from a spring of spring constant 80 N/m. How far will the spring stretch?

##### Physics :

I need help with an assignment with Distance and Displacement. A bug walks exactly halfway around the edge of a circular cupcake with a diameter of 5cm

##### Physics :

Problem: What happens to celestial bodies that enter a black hole system?

##### Physics :

You choose to use an L-band (f = 1.25 GHz) radar. How wide of a radar aperture do you need to achieve your ideal experimental design?

##### Physics :

Is an asteroid the size of a house a danger to Earth? What is the kinetic energy of this asteroid? Express your final answer in Joules.

##### Physics :

Please write down and clearly label Kepler's laws. You may transcribe them from, or use your own words.

##### Physics :

If a spaceship is approaching you at a speed of .75 the speed of light, what is the new wavelength for a blue laser that's shown at you?

##### Physics :

Describe how Erastothenes measured the circumference of our planet.

##### Physics :

What makes something a planet? What characteristics does Pluto have that would make a planet, or not a planet?

##### Physics :

Problem: A star has a parallax angle of 0.014 arcseconds. How many years does it take the stars light to reach Earth?