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Answers by DylanSp

Answers by DylanSp
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A train station bell gives off a fundamental tone of 505 Hz as the train approaches the station at a speed of 27.6 m/s. If the speed of sound in air on that day is 339 m/s, what will be the apparent frequency
answered Jan 22, 2021
6 votes
10.9k views
I really need help :( Amira sells balloon animals. She uses the same number of balloons for each animal she makes. The table compares the number of balloon animals sold and the remaining number of balloons
answered Dec 1, 2020
1 vote
49.7k views
TRUE OR FALSE. World population growth is steady since prehistoric times and so the exponential growth model is applicable and accurate
answered Aug 20, 2020
3 votes
154k views
Susan threw a softball 42 yards on her first try and 51 1/2 yards on her second try. How much farther did she throw the softball on her second try than her first? Express your answer in feet and inches.
answered Apr 1, 2020
4 votes
96.3k views
Explain the role of the Judicial Branch and how it can check the other two branches.
answered Dec 9, 2019
6 votes
1.9k views
Isosceles trapezoid with height c units, bases 8d units and 4d units
answered Sep 8, 2019
5 votes
163k views
Emme selectively attends to and better recalls emotionally positive over negative information. emme has the ability to maximize positive emotion and dampen negative emotion. this ability is known as __________.
answered Jul 15, 2019
5 votes
175k views
¿Cómo se llama el tren que va desde San José a otras ciudades de Costa Rica?
answered Mar 8, 2019
4 votes
101k views
An 80kg athlete jumps up 1.5 meters.with what velocity does he hit the ground ?
answered Feb 12, 2019
1 vote
167k views
The sex of the child is determined by the male parent. Justify your statement.
answered Nov 8, 2018
3 votes
37.8k views
Creating a song to remember when Penicillin was discovered
answered Sep 16, 2018
4 votes
64.6k views
What is the molarity of .30 l solution containing .50 moles of nacl
answered Jun 5, 2018
4 votes
147k views
In Frankenstein, Mr. De Lacey treats the creature with kindness. Which theme relates to Mr. De Lacey's action?
answered Apr 5, 2018
4 votes
153k views
Which element has 32 protons in its nucleus? phosphorus cobalt germanium sulfur
answered Jul 29, 2017
4 votes
42.2k views
A block of wood has a mass of 120g and a volume of 200cm what is the density
answered Dec 10, 2016
4 votes
185k views
What did Democritus discover?
answered Aug 26, 2016
3 votes
157k views
A basketball has been left out in the cold. The next day you find that it has become soft. What do you do to get it back to shape and why? a) Leave it alone to warm up b) Pump it up a little c) Get a new
answered Jun 10, 2015
0 votes
151k views
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