A body falls vertically from the height h = 45 metres with its initial velocity equal to zero. What time will it take the body to travel the m last 5 metres? Disregard the resistance of the air. g 10 %3D 1.

A body falls vertically from the height h = 45 metres with its initial velocity equal to zero. What time will it take the body to travel the m last 5 metres? Disregard the resistance of the air. g 10 %3D 1.

Name: 1.A body falls vertically from the height h = 45 metres with its init
Uploaded: 2024-03-20T06:57:47.000Z
Channel: Bartleby
Description: 1.A body falls vertically from the height h = 45 metres with its initialvelocity equal to zero. What time will it take the body to travel thelast 5 metres? Disregard the resistance of the air. g = 10

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter2: One Dimensional Motion

Section: Chapter Questions

Problem 89PQ

See similar textbooks

Similar questions

A skydiver (46 kg) is falling at 27 m/s when she pulls her parachute cord. The parachute slows her down to a safe 3 m/s by providing an average air resistance of 603 N. How far must she fall before she reaches this safe speed?
A particle is released from rest (y = 0) and falls under the influence of gravity and air resistance. Find the relationship between and the distance of falling y when the air resistance is equal to (a) and (b) 2.
An object with 4.8 kg dropped with initial velocity 20m/s . The air resistance is 0.002v newton. Where v . Find V after 6 sec
I need help with this problem A student in Physics 211 decides to do an experiment. They travel to a city and climb to the roof of a building that is 3.0 x 102 m tall. Then, at the same instant, they drop one rock while a second rock is thrown downward with an initial speed of 16 m/s. Assume both rocks experience negligible air resistance while falling. How much EARLIER does the thrown rock strike the ground? A) 1.1 s B) 1.5 s C) 1.4 s D) they land exactly at the same time
28 - A skier starts to slide from the 20 m high ramp for the first time without speed and without friction. What is the speed of the boatman at the lower end of the ramp?A) 29 m / s B) 60 m / s C) 20 m / s D) 30 m / s E) 25 m / s
Suppose a motorboat is moving at 40 ft/s when its motor suddenly quits, and that 10 seconds later the boat has slowed down 20 ft/s. Assuming that the resistance proportional to the square of the velocity such that dv/dt = - k ( v squared ). How far will the motorboat coast in the first minute after its motor quits? 420 ln 4 ft 440 ln 2 ft 380 ln 2 ft 400 ln 7 ft
A woman pushes an initially stationary 11.3 kg gift up a 15.90 ramp a distance of 7.21 m. If she pushes with constant force of 84.0 N and the coefficient of friction is 0.333, what is the final velocity of the gift?
A large rock is dropped from rest from the edge of a cliff that is 20 m above the surface of the ocean. How long does it take for the rock to hit the water? (Ignore air resistance and assume g=10 m/s2)
An elevator weighing 22.200 kN moving downward with constant acceleration travels a distance of 30 m during the interval of t = 0 s to t = 10 s. Find the tension (kN) in the supporting cable during this time assuming the elevator started from rest and neglecting all resistances.0 I need the answer ASAP. Thanks
A 10 kg cannonball is launched vertically upwards from the ground with an initial velocity of 50 m/s. Determine the maximum height that the projectile can reach when the air resistance is measured as FD = (0.01v2) N, (a) ignoring the air resistance, (b) v being the measured velocity at any instant (m/s).
A skier starts at rest atop a ski slope that has a slope of exactly 36.0∘. Her total mass is 71.0 kg. Approximating the slope to be frictionless and assuming that the skier skis straight down the slope, what will her speed ? be after 9.00 s? ?= m/s
A 1320 kg car skids to a halt on a wet road where μkinetic = 0.32. How fast (in m/s) was the car traveling if it leaves 72 m long skid marks assuming the local acceleration due to gravity is 9.80 m/s2?