A good pitcher can throw a baseball so that it travels between 60 and 80 miles per hour. A regulation baseball weighing 143g travels 75 miles per hour (33.5m/s). What is the kinetic energy of this baseball in joules? In calories? K.E = 1/2mv21 cal = 4.184J

(1/2)(.143kg)(33.52) = 80.2J(80.2/4.184) = 19.2cal More test answers on

GENERAL KNOWLEDGE SECTIONQuestion #1 Water on the road can cause a vehicle to hydroplane. Your car may hydroplane at speeds as low as: 45 miles per hour35 miles per hour40 miles per hourQuestion #2 What is the proper way to enter an expressway from the entrance ramp

Use the acceleration lane to blend into the traffic. More test answers on https://studyhippo.com/learners-test-practice-ga/

How many miles per hour does a train travel if it makes a 50 mile trip in 30 minutes?

The formula is distance/time but the minutes needs to be changed to hours. 30 minutes = .5 hours. So it would be 50 miles/.5 hrs = 100 m/hr More test answers on https://studyhippo.com/exploring-creation-physical-science-module-9/

What would be the total stopping distance at a speed of 60 miles per hour?

292 feet (If you are traveling at 60 mph it takes an average of 292 feet (almost a whole football field) to react to a hazard, step on the brake, and come safely to a stop. ) More test answers on https://studyhippo.com/dmv-drivers-permit-practice/

Tests have shown that ________ ambulance operators tend to speed up by 10 to 15 miles per hour when the siren is sounding. inexperienced younger privately employed experienced

inexperienced More test answers on https://studyhippo.com/ems-operations/

Which has more momentum, a large truck moving at 30 miles per hour or a small truck moving at 30 miles per hour?

The large truck More test answers on https://studyhippo.com/physics-momentum-chp-7-2-33480/

Jeremy consistently exceeds the speed limit by two or three miles per hour when he drives. His actions are breaking the law and they are considered deviant how often?

Never More test answers on https://studyhippo.com/social-problems-final-study-guide-jon-powers/

An LSV, or low-speed vehicle, may not be driven on roadways with speed limits that exceed how many miles per hour?

25 mph More test answers on https://studyhippo.com/defensive-driving/

Last weekend police ticketed 18 men whose mean speed was 72 miles per hour, and 30 women going an average of 64 mph. Overall, what was the mean speed of all ticketed people?

67 mph More test answers on https://studyhippo.com/stats-final-unit-1/

Not including thinking distance, lawful brakes must stop a cars at 20 miles per hour within how many feet?

25 feet More test answers on https://studyhippo.com/drivers-ed/

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Miles Per Hour Flashcards, test questions and answers

Discover flashcards, test exam answers, and assignments to help you learn more about Miles Per Hour and other subjects. Don’t miss the chance to use them for more effective college education. Use our database of questions and answers on Miles Per Hour and get quick solutions for your test.

What is Miles Per Hour?

Miles per hour (mph) is a unit of speed that measures how far an object travels in one hour. It is commonly used to measure the speed of vehicles, such as cars and airplanes, but it can also be used to measure other types of motion.Miles per hour is determined by dividing the distance an object traveled by the amount of time it took for it to travel that distance. For example, if a car travels 40 miles in one hour, then its speed was 40 mph. The equation for this would be Distance (40 miles) divided by Time (1 hour), which equals 40 mph.The concept of miles per hour dates back to ancient times when people used horses as their primary mode of transportation. In those days, people would measure the speed of their horse-drawn carriages in terms of how many miles they could travel in one day or night’s journey. This eventually evolved into measuring speed in terms of how many leagues or miles a particular vehicle could cover per day or night’s journey, which eventually evolved into today’s standard units for measuring velocity: miles per hour and kilometers per hour (kph). Today, most countries prefer using kilometers per hour when measuring speeds on land due to its larger size than mile and because it matches up more closely with metric system measurements for length and area. However, in some cases where there are long distances between two locationssuch as airline flightsmiles are still preferred since they are easier to calculate distances with accuracy over longer distances than kilometers are due to their smaller size compared with kilometers. In short, miles per hour is a unit used to measure speeds over short distances on land while kilometers are typically used over longer distances or when measured against metric system measurements such as meters and centimeters. Both units provide us with useful information about the speeds at which we travel on land and through air.