Need help answering P2, i know the answer to part 1. Im unsure how I work out P2. I got 21271.92W as my answer, because it is a car and my answer is in watts, does that mean it is incorrect...

Need help answering P2, i know the answer to part 1. Im unsure how I work out P2. I got 21271.92W as my answer, because it is a car and my answer is in watts, does that mean it is incorrect...

Need help answering P2, i know the answer to part 1. Im unsure how I work out P2. A car of mass 1.5 tonnes is driving up a hill, the hill makes an angle of 10 degrees to the horizontal,...

A force of 455 N is exerted in pulling 15 m of rope using a pulley system to lift a 935 N object 5 m. What is the efficiency of the system? ...What is the difference between Work in...

A car of mass 1 tonne travelling at 50km/h crashes into a stationary car of mass 2 tonnes on an icy road. Neglecting any frictional forces and assuming that after the initial collision the...

After a 1.30 x 10^2kg astronaut (incl. equipment) connects a safety line (length = 22.0m) to herself and to the spacecraft (mass = 2.80 x 10^3kg), she pushes against the craft and moves away at a...

Alpha rays are more energetic than gamma rays, so shouldn't they have a higher frequency than gamma rays, too since hf=E?

When and object is dropped from a height of 20.0 m above the surface of Planet Z, it will fall 5.00 m during the 2nd second of the fall. What is the acceleration on Planet Z?

Estimate the isothermal compressibility of a dry gas for use at 4,200 psia using the following data taken at 120 oF. Pressure Z factor 6000 1.1252 5600 1.0736 5200 1...

I know that volume or weight over volume percent gives you the concentration. So I think that the slope signifies the concentration?

Hi there, I I have a question about Physics/ chemistry. If I have a bag of iron oxide(lll) and powdered aluminium in the ratio of 3:1 totalling 72g, with 54g being Fe2O3 and 18g of 2Al, what...

A 1 kg model rocket is launched at a 30 degree angle from the floor. The small rocket burns for 5.00 s and has a steady thrust of 20.0 N. What maximum altitude does the rocket reach and range of the...

The force of gravity between two small masses A and B when placed very near each other is 3.24x10^-7 N. What will the force between these objects be if both of their masses are doubled and the distance...

Please, I need help with this problem. I have tried different ways and can't get the right answer. A 1 Kg bead is confined to move on a vertical circle of radius 2 meters. There...

There are given 3 source charges Q1= Q, Q2=Q and Q3= 2Q. Q3 is on top of triangle and Q1 and Q2 on bottom. The distance of q1=q2=q3= X where to place 4th Q in way electric field equals to 0...

how much kinetic energy does the block have when it reaches the bottom? Acceleration due to gravity is g = 9.8 m/s2.

I'm editing this problem because I was able to get a couple of the answers, but I still need help on the rest. An electromagnatic wave is traveling in vacuum with frequency 7 x 1014 Hz. The wave has...

Physics test Prep

A series RCL circuit driven at angular frequency w = 597 rad/s has a capacitive reactance XC = 864 W, an inductive reactance XL = 599 W and a resistance R = 357 W. The resulting oscillating current...

A car is traveling at 100 kilometers per hour. One minute later the car is traveling at 120 kilometers per hour. What is the average acceleration or the car?

a team of four people went on a river rafting excursion to gangotri but unforturbnately theri boat capsized in the roaring river it was reported by thelocal people (the eye witness to the incident)...