A bicyclist of mass 85 kg rides in a circle at a speed of 4.5 m/s. If the radius of the circle is 8 m, what is the centripetal force on the bicyclists

An automobile has a vertical radio antenna 1.45 m long. The automobile travels at 70.0 km/h on a horizontal road where Earth's magnetic field is 50.0 µT, directed toward the north and downward at an angle of 65.0° below the horizontal.

How do we usually hear things? Sound waves are made of ___ that pushes together ___. A. energy, air particles B. electromagnetic waves, parts of our ear

At t = 0 seconds, a cart is moving with a velocity of 10 cm/s and an acceleration of 4.0 (cm/s) / s. Assuming its acceleration stays at this value, what will its velocity be 7.0 seconds later?

4. If a 2500 kg car is driving at a speed of 35 m/s, how much momentum does it have?

A student performs a lab measuring the velocities of toy cars of different masses Which cars have the same magnitude of momentum? Check all that apply.

Consider the equation 2KBr + Cl2 → KCl + Br2. What type of reaction is this?

Talia is on a trip with some friends. In the first 2 hours, they travel 100 miles. Then they hit traffic and go only 30 miles in the next hour. The last hour of their trip, they drive 75 miles

A sample of gas has a volume of 25L at a pressure of 200 kPa and a temperature of 25°C. What would be the volume if the pressure were increased to 250 kPa and the temperature were decreased to 0°C?

At which position would a person on earth see the entire lighted half of the moon?

Calculate the average velocity of the car for the time interval t=0 to t1 = 2.00 s.