Which best describes a force?

a vector with magnitude and direction

a vector with speed and strength

a vector with direction only

a vector with strength only

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Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (a) If a sample of gold with a mass of 6.740 g, is pressed into a leaf of 6.

Describe three warning signs of the 1902 eruption in Saint-Pierre that people ignored at the time. Use details from the text to support your description.

A car is moving towards a student at constant speed. The student notices that the sound the car makes gets louder and louder as the car approaches.

When two air masses with different pressure collide, What weather event are we most likely to experience

A railroad car with a mass of 30,000 kg is moving at 2.0 m/s when it runs into an at-rest freight car with an equal mass. the cara lock together. what is their final velocity? A. 2.0 m/s B. 0.5 m/s C. 60,000 kg-m/s D. 1.0 m/s

Block B has mass 4.00 kg and sits at rest on a horizontal, frictionless surface. Block A has mass 2.00 kg and sits at rest on top of block B. The coefficient of static friction between the two blocks is 0.400.

T=2π√ (l/g) is dimensionally correct

A penny falls from a windowsill which is 25.0 m above the sidewalk. How much time does a passerby on the sidewalk below have to move out of the way before the penny hits the ground?

Show that the Newton has the units of mass times acceleration.

Light travels at 150000000km from the sun to earth in 8 minutes. What speed is this in Km/s