Explain how a parachute works

True or False: when measuring speed the distance must be considered to be rectilinear (in a line)

What best describes a recessive Allele

A 68 kg hiker walks at 5.0 km/h up a 9% slope. The indicated incline is the ratio of the vertical distance and the horizontal distance expressed as percentage.

Most of the world's energy supply comes from burning fossil fuels. Fossil fuels are nonrenewable resources. If people continue to burn fossil fuels at the same rate, which of the following events will most likely happen? A.

An octet is formed via ionic bonding when one or more valence electrons are transferred from one atom to another. An octet is formed via covalent bonding when valence electrons are shared between atoms. True or false?

The gas within a cylinder of an engine undergoes a net change in volume of 1.50 * 10-3 m3 when it does work at a constant pressure of 3.27 x 105 Pa If the efficiency of the engine is 0.

What effect does observing a substance s physical properties have on the substance

Quando aquecemos água em nossas casas, ao nível do mar, utilizando um recipiente aberto, sua temperatura nunca ultrapassa os 100 °C. Isso ocorre porque: a) ao atingir essa temperatura, a agua perde sua capacidade de absorver calor.

A parcel is traveling on a horizontal conveyer belt moving at 1 meter/second. At the end of the conveyor belt, the parcel lands on a tray after 1 second. Calculate the horizontal and vertical distance of the tray from the end of the conveyor belt.

What is a bed load that a stream carries made up of?