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A hawk flies in a horizontal arc of radius 14.4 m at a constant speed 3.55 m/s. (a) Find its centripetal acceleration. (b) It continues to fly along the same horizontal arc, but increases its speed at the rate of 1.35 m/s2. Find the acceleration in this situation at the moment the hawk's speed is 3.55 m/s. b1) magnitude of a b2) direction from the direction of velocity towards the center
The spring constant of a spring is 1260 N/m. A body is suspended from the spring, causing it to stretch 7.0 cm. What is the mass of the body
A 151 kg car rounds a curve of radius 163 m at 46 m/s. The acceleration of gravity is 9.8 m/s2 . What force must the road exert on its tires to hold the car on course? find out its speed when it has moved?
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.27 m/s. What is his speed when he catches up
Lasers have been used to suspend spherical glass beads in the Earth's gravitational field. What is the minimum power required for this laser
you need to store 25J of energy in the magnetic field of a solenoid. The solenoid hass 100 circular turns of diameter 5.0cm, What is the energy density inside the solenoid
An ambulance traveling at 46 m/s approaches a car heading in the same direction at a speed of 31 m/s. At what frequency does the driver of the car hear the siren
When at cruising altitude, a typical airplane cabin will have an air pressure equivalent to an altitude of about 2510 m. During the flight, what is the net force on one ear drum due to this pressure difference
questionget a spreadsheet file hw9 from the get directory.this file has 2 worksheets the first is titled names and the
The tires of a car make 86 revolutions as the car reduces its speed uniformly from 88.0 km/h to 60.0 km/h. What is the angular acceleration of the tires in rad/s^2
The truck in that example is traveling at 16 m/s. The density of air is 1.29 kg/m3. By how much does the pressure inside the cargo area beneath the tarpaulin exceed the outside pressure?
Two conductors having net charges of +13.0 µC and -13.0 µC have a potential difference of 13.0 V between them. Determine the capacitance of the system
Is it correct to say the difference in the patterns produced by monochromatic and white light is caused by the fact that monochromatic light waves interfere with each other when they pass through a diffraction grating, while the rays of white light d..
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