Who is known as the father of modern physics and formulated the laws of motion and universal gravitation?
Isaac Newton
How are errors calculated in the multiplication of values
Errors are calculated in percentage
What the formula for the moment of inertia
MR2
State three laws of newtons motion
1. Law of interia
2. F=ma
3. Every action has a opposite reaction
Which physicist is famous for developing the theory of relativity, which includes the equation E=mc2E = mc^2E=mc2?
Albert Einstein
What is the difference between an elastic and inelastic collision
Elastic collision: Kinetic energy and momentum is conserved
Inelastic collision: Momentum is conserved, while kinetic energy is lost
What happens to angular velocity of a spinning ice skater when she pulls her arms
Faster
what is the formula for pressure
P=F/A
Who was the first woman to win a Nobel Prize, and is known for her work on radioactivity?
Marie Curie
A ball falls at terminal velocity through the air, what is the kinetic energy and the total energy of the ball?
Kinetic energy stays constant
Total energy deceases
What happens to the tangential velocity and angular velocity when the radius increases
tangential velocity would increase with R, while angular velocity stays constant
What causes Lift?
The air pressure difference
Neils bhor
Slope of a acceleration time graph
Jerk
Is objects traveling in uniform circular motion doing work?
No.
What is the 4 fundamental forces
1. Gravity
2. Strong Nuclear
3. Weak nuclear
4. electromagnetic force
Who proved the presence of a nuclei inside an atom
Ernest Rutherfod
What concept was neglected by Einstein's theory of relativity
Ether
What is the critical radius for a star to become a black hole
around 2 miles
What causes forces?
Fields