Find the total change in the planets velocity

Assignment Help Physics

Reference no: EM13648007

Over a time interval of 2.16 years, the velocity of a planet orbiting a distant star reverses direction, changeing from +20.9 km/s to 18.5 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration(in m/s^2) during this interval. Include the correct algebraic sign with your answers to convey the directions of the velocity and the acceleration.

Reference no: EM13648007

Questions Cloud

Find the work done on the block by the normal force : A 10.0 kg block is dragged overa rough, horizontal surface by a 73.0 N force acting at 20.0° above thehorizontal. The block is displaced 4.50 m, and the coefficient of kinetic friction is 0.300.

Potential difference across the capacitor rises : A 10.0 k resistor and a capacitor are connected in series and then a 10.0 V potential difference is suddenly appliedacross them. The potential difference across the capacitor rises to9.00 V in 1.35 µs.

The centripetal force acting on your body : You ride in a car, driving at a high speed. When the car turnssharply around a corner, you are thrown out of your seat. T

Frictionless gas-filled cylinder is fitted-movable piston : A frictionless gas-filled cylinder is fitted with a movable piston.The block resting on the top of the piston determines the constantpressure that the gas has. The height h is 0.120 mwhen the temperature is 273 K and increases as the temperature i..

Find the total change in the planets velocity : Over a time interval of 2.16 years, the velocity of a planet orbiting a distant star reverses direction, changeing from +20.9 km/s to 18.5 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration(in m/s^2) du..

Three-blade rotor systems-determine the translational speed : A helicopter, has 2 three-blade rotor systems, each turning theopposite direction. Each blade has a diameter of approximately 41ft. the blades can spin at angular speeds of up to 225 rpm.

Special electronic sensor is embedded in seat of a car : A special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider.

Bedirected in order to achieve the maximum acceleration : A person is dragging a packing crate of mass 100 kg across a roughfloor where the kinetic coefficient of friction is .40. He exerts aforce F sufficient to give the crate a positive acceleration. A

Magnetic flux through one loop of wire is reduced : The magnetic flux through one loop of wire is reduced from 0.35 Wbto 0.15 Wb in 0.2 sec. The average induced current in the coil is10 A. Can you determine the area of the loop from the data given?Explain. Find the resistance of the wire.

User Account

All Pages