How do I calculate initial speed by using the slope of a graph? The graph shows the relationship between S { (sin2ϴ) / g} and the average range of a projectile in meters.

He steel used to make structural beams in buildings is a mixture. What category best describes this type of mixture?

Three equal masses lie at the corners of an equilateral triangle of side l. find the center of mass.

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A Imagine you derive the following expression by analyzing the physics of a particular system: v2 + 2az. The problem requires solving for z, and the known values for the system are a 2.55 meter/second, to = 21.8 meter/second, and u = 0 meter/second.

Which of the following charged particles will experience no magnetic force while in a magnetic field. A particle moving at a 90 degree angle to the magnetic field. A particle moving at a 45 degree angle to the magnetic field.

What type of resource can be regenerated or replenished by biochemicl cycles

How much work is done lifting a 12-m chain that is initially coiled on the ground and has a density 2 kg/m so that its top end is 11 m above the ground? (Assume that acceleration due to gravity is g = 9.8 m/s2.)

Which is a correct step in a scientific experiment involving acids and bases?

Objects can be accelerating and traveling at constant velocity at the same time. True or False

What kind of star gives rise to a type i supernova? a. white dwarf stars b. massive main sequence stars c. red giant stars?