Pressure: A brick weighs 50.0 N, and measures 30.0 cm × 10.0 cm × 4.00 cm. What is the maximum pressure it can exert on a horizontal surface due to its weight?

A. 1.25 Pa
B. 12.5 Pa
C. 1.25 kPa
D. 12.5 kPa


Answer: D

Physics & Space Science

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(c = 3.00 × 108 m/s, ?0 = 4? × 10-7 T ? m/A, ?0 = 8.85 × 10-12 C2/N ? m2) A) 675.0 V/m B) 1604 V/m C) 1400 V/m D) 1350 V/m E) 1010 V/m

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The figure below shows a planet traveling in a clockwise direction on an elliptical path around a star located at one focus of the ellipse. When the planet is at point A,



a.
its speed is constant.

b.
its speed is increasing.

c.
its speed is decreasing.

d.
its speed is a maximum.

e.
its speed is a minimum.

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A. 3.35 × 105 B. 4.19 × 105 C. 2.36 × 106 D. 2.69 × 106 E. 3.01 × 106

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Name the four types of reflector designs

What will be an ideal response?

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