# Physics

A 4.7 gram feather falls with a constant speed of 1.4 m/s. What is the force of air resistance on the feather?

1. 👍 0
2. 👎 0
3. 👁 93

## Similar Questions

1. ### Physics

A 9 kg lead brick falls from a height of 1.8 m. a) Find the momentum as it reaches the ground. b) What impulse is needed to bring the brick to rest? c) The brick falls onto a carpet 2.0 cm thick. Assuming the force stopping it is

asked by Jayd on November 7, 2007
2. ### physics

After deploying her parachute, a skydiver falls through the air with a constant speed of 7.00 m/s . As she falls, there is a constant breeze blowing west at 4.50 m/s . At what standard angle does the parachutist move?

asked by Anwar on September 15, 2017
3. ### Physics

Galileo’s law of falling bodies states that the rate of fall caused by gravity is the same for all objects, regardless of weight. This means that all objects have a free-falling acceleration of 9.8m/s2. However, a significant

asked by Aurora on June 25, 2015
4. ### Physics

A 400 gram block slides down a 30 degree incline from rest and reaches the bottom with a speed of 4.50 m/s. If the height through which the block falls is 2.0 meters, find the average frictional force that acted on the block.

asked by Ashley on November 19, 2013
5. ### Physics

A car drives at 15 m/s and has an air resistance force of 277 N. What is the air resistance force at 30 m/s? A truck drives at 9.7 m/s and has an air resistance force of 380 N. What is the air resistance force at 32 m/s? A 85.0 kg

asked by Becky on October 4, 2014
6. ### physics

A constant force is exerted for a short time interval on a cart that is initially at rest on an air track. This force gives the cart a certain final speed. Suppose we repeat the experiment but, instead of starting from rest, the

asked by Kristal on January 29, 2013

Calculate the force required to pull a copper ball of radius 3.00 cm upward through a fluid at the constant speed 7.00 cm/s. Take the drag force to be proportional to the speed, with proportionality constant 0.950 kg/s. Ignore the

asked by james on November 17, 2008
8. ### Physics

Calculate the force required to pull a copper ball of radius 2.00 cm upward through a fluid at the constant speed 9.00 cm/s. Take the drag force to be proportional to the speed, with proportionality constant 0.950 kg/s. Ignore the

asked by Simi on July 10, 2010
9. ### Physics

Calculate the force required to pull a copper ball of radius 2.00 cm upward through a fluid at the constant speed 6.00 cm/s. Take the drag force to be proportional to the speed, with proportionality constant 0.950 kg/s. Ignore the

asked by Kev on March 1, 2016
10. ### physics

projectile motion with constant horizontal speed ? A stone falls off a cliff with horizontal velocity v m/s. it falls a distance of 5cm vertically and 200m horizontally in t seconds. when it has fallen a vertical distance of 20cm,

asked by raj on April 16, 2012

More Similar Questions