How are people able to feel heat from a campfire without touching the fire?

How much force is needed to produce an acceleration of 20ms^2 in a body of mass 500gm

Assume a beam with stirrups inclined at 60o angle with respect to the longitudinal steel resisting cracks developing at 45o angles.

If you found a line of volcanic peaks a few hundred miles long in which the volcanoes were progressively older toward one end of the line, what probably created them?

How fast can a man run in miles per hour?

How long is a WiFi wavelength? A) 10 cm B) 12 cm C) 15 cm D) 20cm

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.