Type of lens used by watch repairers

concave or convex

Freckles are a dominant trait in humans. Both of the girls have the genotype FF for freckles. If either one marries a man with no freckles, what are the chances that their children will have freckles? A) 0% B) 50% C) 75% D) 100%

Which leader maintained control of Cuba from 1934 to 1959? A. Ramón Grau San Martín B. Fulgencio Batista C. Carlos Prio Socarras D. Fidel Castro

An electric device, which heats water by immersing a resistance wire in the water, generates 50 cal of heat per second when an electric potential difference of 12 V is placed across its leads. What is the resistance of the heater wire?

A 50 Kg box sits at rest on a 30 degree ramp where the coef of static friction is 0.5773 what is the weight of the box?

Using data from seismic waves, geologists have learned that Earth's interior is made up of several a. continents. b. layers. c. ridges. d. trenches.

Find the components of vector M shown in figure 5-7

Electrical current is actually made of a. static charges. b. moving electrons. c. high or low voltage. d. resistance within a circuit.

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

Explain the difference between balanced forces and action and reaction forces.

Describe and apply Newton's Three Laws