I need help with 4,5,6,7,8 3) A car of mass 2000 kg has a driving force of 4500 N and experiences an air resistance of 1500 N.What is the acceleration of the car?4) You are cutting the grass of the school football field with a push mower, of mass 12.6 kg. You apply a117 N horizontal force, but experience a frictional force of 45 N due to the machine and 58 N due tothe grass. Find the acceleration of the mower5) A dragster reaches 350 km/h from rest in 6.2 s. If the car is 800 kg and generates a driving force of16000 N, find the force of friction acting on the car.6) A parachutist of mass 70 kg, in free fall at 136 km/h, opens a parachute. If the chute creates a 895 Nair resistive force and the parachutist is being pulled down with a force of gravity of 686 N. Find theacceleration of the parachutist7) Two hockey players are standing on the ice. The Maple Leaf player is 100 kg and the Cancuk is 112 kg.If the Canuck drives the Leaf with a force of 50 N:a. What are the action-reaction forces?b. Calculate the acceleration of each player8) Repeat question 10), but include a 5.0 N force of friction acting on each player.

Given:mass, m = 12.6 kgapplied force, F = 117 Nfk = 45 Nfs = 58 N Solution: Consider the free-body…

You are cutting the grass of the school football field with a push mower, of mass 12.6 kg. You apply a 117 N horizontal force, but experience a frictional force of 45 N due to the machine and 58 N due to the grass. Find the acceleration of the mower

You are cutting the grass of the school football field with a push mower, of mass 12.6 kg. You apply a 117 N horizontal force, but experience a frictional force of 45 N due to the machine and 58 N due to the grass. Find the acceleration of the mower

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

I need help with 4,5,6,7,8

3) A car of mass 2000 kg has a driving force of 4500 N and experiences an air resistance of 1500 N.
What is the acceleration of the car?
4) You are cutting the grass of the school football field with a push mower, of mass 12.6 kg. You apply a
117 N horizontal force, but experience a frictional force of 45 N due to the machine and 58 N due to
the grass. Find the acceleration of the mower
5) A dragster reaches 350 km/h from rest in 6.2 s. If the car is 800 kg and generates a driving force of
16000 N, find the force of friction acting on the car.
6) A parachutist of mass 70 kg, in free fall at 136 km/h, opens a parachute. If the chute creates a 895 N
air resistive force and the parachutist is being pulled down with a force of gravity of 686 N. Find the
acceleration of the parachutist
7) Two hockey players are standing on the ice. The Maple Leaf player is 100 kg and the Cancuk is 112 kg.
If the Canuck drives the Leaf with a force of 50 N:
a. What are the action-reaction forces?
b. Calculate the acceleration of each player
8) Repeat question 10), but include a 5.0 N force of friction acting on each player.

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