In what order do the effort, fulcrum, and resistance appear on a second class lever?

Why can we never prove that a hypothesis is true?

Whats an example of projectile motion

Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high - many times higher than the wind speed. a typical modern turbine has blades 56 m long that spin at 13 rpm.

How much weight can a 2x2 support horizontally?

A cart is driven by a large propeller or fan, which can accelerate or decelerate the cart. The cart starts out at the position x = 0 m, with an initial velocity of + 5.

What is a scavenger give some examples

What is a mealworm a worm, an insect or an amphibian

What is the kinetic energy of a vehicle that has a mass of 3,500 kg and is moving at 40 m/s

Why did the wright brothers construct their own wind tunnel?

John heats 1 kg of soup from 25 °C to 70 °C for 15 minutes by a heater. How long does the same heater take to heat 1.5 kg of the same kind of soup from 20 °C to 80 °C? The energy output per unit time by the heater is constant.