A pulley system is used to lift a 100kg box using a 100N force what is the mechanical advantage

A thermocouple thermometer is connected to a millivoltmeter which can read up to 10mV. When one junction is in ice at 0°C and the other is steam at 100°C, the millivoltmeter reads 4mV.

If you stall your vehicle on railroad tracks and a train is approaching, get out of the vehicle and move away from the tracks at a_degree angle away from the tracks toward the direction the train is coming from. 45 90 180 77

Four weather satellites are orbiting the Earth at a height of 825 kilometers. Some characteristics of the satellites are shown in the table below.

How are mass and weight different? a. Mass is the space an object takes up and weight is the effect of gravity on mass. b. Mass is the amount of matter and weight is the effect of gravity on mass. c.

What is the wave speed of a wave that has a frequency of 100 HZ and Z wave length of 0.30 meter

A car takes 15 minutes to travel along a road that is 20 km long. What is the average speed of the car? A. 75 km/h B. 5.0 km/h C. 80 km/h D. 300 km/h

A 4.2 cm diameter circular loop of wire is in a 1.14 T magnetic field. The loop is removed from the field in 0.18 s. Assume that the loop is perpendicular to the magnetic field. What is the average induced emf?

When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?

Calculate the angle of refraction of 30.0° light shines from water into ice. The indices of refraction for water and ice are 1.36 and 1.31, respectively. A) 19.8° B) 31.3° C) 40.9° D) 64.0°

What is the length of a simple pendulum with a period of 2.0 s?