if an object is thrown straight up with an initial velocity of 8m/s and takes 3 seconds to strike the ground, from what height was the object thrown?

Neylin engineered (drove) a horse train from Miami and traveled toward New York. 14 hours later Matt drove from Miami in a diesel train traveling at 45 km/h in an effort to catch up to the Neylin's train.

How do modern scientists describe the make up of matter

What is a quantity with only magnithde (no direction). e. g. 5 meters?

Your boss at the Cut-Rate Cuckoo Clock Company wants to save money on materials. You are asked to reduce the balance wheel, which is cylindrical, dimensions to one-third their original values.

Define the term Hysteresis

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.