Pls Answer I’m Being Timed!! Substance Specific Heat (1 kg ? K')
Aluminum
900
Copper
390
Brass
380
Silver
230
Platinum
130
of the five metal samples, with equal masses, which would be the best material to use if you needed something to heat up quickly?

A aluminum
B. platinum
C. copper
D. gold

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not

Which word expression describes how much to calculate pressure