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

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

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...

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...

Really unsure with this topic so could you please show working out and how its done for me, huge thank you. 1) For the shape below, showing all calculations find the centroid of 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...

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...

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...

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...

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...

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,...

Physics test Prep

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

Part a is as follows: A long cylindrical insulator has a uniform charge density of 1.89 μC/m3 and a radius of 5 cm. What is the electric field inside the insulator at a distance of 4 cm?...

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...

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 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)...

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?

1. The weight of the liquid displaced is less than the weight of the block. 2. The weight of the liquid displaced is greater than the weight of the block. 3. The weight of the liquid displaced...