M2 help please!!
A car of mass 750 kg is travelling at a speed of 12 ms along a straight road against a constant resistance of magnitude 420 N. The engine of the car is working at a rate of 15 kw. In an initial model of the situation the road is assumed to be horizontal.
B)model the road is assumed to be inclined at an efined In a of 5 to the horizontal. No other changes are made. angle Calculate the revised acceleration.
2.inclined at an the box of mass 10 kg is resting on a sloping platform which is angle of 20 to the horizontal. The coefficient of friction between the box and the platform is 0.2. The box is released from rest and slides down the platform. Calculate speed of the box after it has been moving for the tential energy lost by the box during this time
particle smooth P of mass 0.5 kg is moving in a straight line on a horizontal surface under the action of a horizontal fo The particle point A with speed 4 m s 1 and passes point B with speed 10 m s Find: (b) the kinetic energy gained by P while moving from A to B the work done by the constant force. The distance from A to B is 25 m. (c) Calculate the magnitude of the force.
A car of mass 1400 kg is towing a caravan mass 400kg up a straight road which is inclined at of the horizontal, an angle to where sin 0.15. The engine of the car is working at constant rate of 60 kW. The resistances acting on the car and caravan have magnitude 800 N and 300 respectively. The tow-bar is light and inextensible and can be assumed to be parallel to the road. At the instant when the speed of the car is
B)model the road is assumed to be inclined at an efined In a of 5 to the horizontal. No other changes are made. angle Calculate the revised acceleration.
2.inclined at an the box of mass 10 kg is resting on a sloping platform which is angle of 20 to the horizontal. The coefficient of friction between the box and the platform is 0.2. The box is released from rest and slides down the platform. Calculate speed of the box after it has been moving for the tential energy lost by the box during this time
particle smooth P of mass 0.5 kg is moving in a straight line on a horizontal surface under the action of a horizontal fo The particle point A with speed 4 m s 1 and passes point B with speed 10 m s Find: (b) the kinetic energy gained by P while moving from A to B the work done by the constant force. The distance from A to B is 25 m. (c) Calculate the magnitude of the force.
A car of mass 1400 kg is towing a caravan mass 400kg up a straight road which is inclined at of the horizontal, an angle to where sin 0.15. The engine of the car is working at constant rate of 60 kW. The resistances acting on the car and caravan have magnitude 800 N and 300 respectively. The tow-bar is light and inextensible and can be assumed to be parallel to the road. At the instant when the speed of the car is
Original post by Emma Nie
A car of mass 750 kg is travelling at a speed of 12 ms along a straight road against a constant resistance of magnitude 420 N. The engine of the car is working at a rate of 15 kw. In an initial model of the situation the road is assumed to be horizontal.
B)model the road is assumed to be inclined at an efined In a of 5 to the horizontal. No other changes are made. angle Calculate the revised acceleration.
2.inclined at an the box of mass 10 kg is resting on a sloping platform which is angle of 20 to the horizontal. The coefficient of friction between the box and the platform is 0.2. The box is released from rest and slides down the platform. Calculate speed of the box after it has been moving for the tential energy lost by the box during this time
particle smooth P of mass 0.5 kg is moving in a straight line on a horizontal surface under the action of a horizontal fo The particle point A with speed 4 m s 1 and passes point B with speed 10 m s Find: (b) the kinetic energy gained by P while moving from A to B the work done by the constant force. The distance from A to B is 25 m. (c) Calculate the magnitude of the force.
A car of mass 1400 kg is towing a caravan mass 400kg up a straight road which is inclined at of the horizontal, an angle to where sin 0.15. The engine of the car is working at constant rate of 60 kW. The resistances acting on the car and caravan have magnitude 800 N and 300 respectively. The tow-bar is light and inextensible and can be assumed to be parallel to the road. At the instant when the speed of the car is
B)model the road is assumed to be inclined at an efined In a of 5 to the horizontal. No other changes are made. angle Calculate the revised acceleration.
2.inclined at an the box of mass 10 kg is resting on a sloping platform which is angle of 20 to the horizontal. The coefficient of friction between the box and the platform is 0.2. The box is released from rest and slides down the platform. Calculate speed of the box after it has been moving for the tential energy lost by the box during this time
particle smooth P of mass 0.5 kg is moving in a straight line on a horizontal surface under the action of a horizontal fo The particle point A with speed 4 m s 1 and passes point B with speed 10 m s Find: (b) the kinetic energy gained by P while moving from A to B the work done by the constant force. The distance from A to B is 25 m. (c) Calculate the magnitude of the force.
A car of mass 1400 kg is towing a caravan mass 400kg up a straight road which is inclined at of the horizontal, an angle to where sin 0.15. The engine of the car is working at constant rate of 60 kW. The resistances acting on the car and caravan have magnitude 800 N and 300 respectively. The tow-bar is light and inextensible and can be assumed to be parallel to the road. At the instant when the speed of the car is
You're not asking for help, you've given us a list of problems and expect us to do all the work for you. That's not how it works on here. Post your own thoughts and workings and we'll help/guide you through the problem.
Your first 'question' doesn't seem to be typed correctly. But for this sort of problem, all you need to remember that since is constant and use N2L to relate , this gives you a simultaneous system to solve for a and F.
In the version with the ramp, you then need only resolve parallel to the slope and perform more or less the same thing. This will give you another value of . Contrast this with what you had before.
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