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Compute all parts of given question:
Question: A parachutist relies on air resistance (mainly on her parachute) to decrease her downward velocity. She and her parachute have a mass of 55.0kg and air resistance exerts a total upward force of 680N on her and her parachute.
Part A: Calculate the net force on the parachutist.
Part B: Is the net force upward or downward?
Part C: What is the magnitude of acceleration of parachutist?
Part D: Is acceleration upward or downward?
I need help to determine the magnitude of acceleration of parachutist.
A 7.80-g bullet moving at 550 m/s penetrates a tree trunk to a depth of 6.1 cm. Use work and energy considerations to find the average frictional force that stops the bullet
q1. an object is 14.4 cm from the surface of a reflective spherical christmas tree ornament 8.04 cm in diameter.what is
A scaffold of mass 65 kg and length6.5 m is supported in a horizontalposition by a vertical cable at each end. What is the tension in the cable closer tothe painter
A pilot wants to fly due north a distance of 125 km. The wind is blowing out of the west at a constant 35 km/h. If the plane travel at 175 km/h, how long would the trip take.
A long straight wire has fixed negative charge with a linear chargedensity of magnitude 4.0 nC/m. The wire isto be enclosed by a coaxial, thin-walled, nonconducting cylindricalshell of radius 1.6 cm.
What is the Right Ascension, Declination, Hour Angle, and Zenith Angle of the Sun at noon on the vernal equinox, summer solstice, autumnal equinox, and winter solstice as measured at a latitude of 40
Two 2.30 cm x 2.30 cm plates that form a parallel-plate capacitor are charged to +- 0.714nC. Part A What is the potential difference across the capacitor if the spacing between the plates is 1.00mm? Part B What is the potential difference across t..
Santa loses his footing and slides down a frictionless, snowy roof that is tilted at an angle of 29.0 degrees. what is his speed as he leaves the roof
A student on a piano stool rotates freely with an angular speed of 3.05 rev/s. Calculate the initial kinetic energy of the system
What is the distance (in cm) between the common center of the diffraction patterns and the first occurrence of the spot where a dark fringe from one pattern falls on top of a dark fringe from the other pattern
A short mild steel column with fixed ends has a cross section of 100mm by 50mm. Assuming a safety factor of 6 calculate the load that it can safely support?
A child of mass 50.0 kg stands 2.00 m from the center of a horizontal circular disc of radius 4.00 m and mass 200 kg. The disc is mounted on a frictionless, vertical axis. Calculate the angular momentum of the disc
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