🔭 physics

1. **State the problem:** A race car starts from rest and accelerates uniformly to the right, reaching a velocity of 60 m/s in 15 s. We need to find the acceleration. 2. **Formula

1. The problem is to convert temperatures between Celsius (°C) and Fahrenheit (°F) and understand their relationship. 2. The formula to convert Celsius to Fahrenheit is:

1. The problem is to find the frequency of a wave or oscillation. 2. Frequency ($f$) is defined as the number of cycles or oscillations per unit time.

1. The problem asks to solve a motion application using a linear equation in one variable, given a speed of 12 km/h. 2. The general formula for speed, distance, and time is:

1. The problem asks to find the least frequency, which typically refers to the smallest positive frequency in a given context, such as wave motion or signal processing. 2. Frequenc

1. El problema consiste en determinar la posición final después de seguir un camino con varios desplazamientos vectoriales. 2. Los desplazamientos dados son:

1. **Problem 1: Find vector C such that A + B + C = 0 for each figure.** **Top-left figure:**

1. مسئله: گلوله‌ای پس از ترک نیمکره، در چه فاصله افقی بر حسب متر از مرکز نیمکره به سطح زمین برخورد می‌کند؟ 2. فرضیات و داده‌ها: فرض می‌کنیم نیمکره شعاع $R$ دارد و گلوله از لبه نیمک

1. مسئله: گلوله‌ای با سرعت اولیه افقی 10 متر بر ثانیه از مرکز نیمکره پرتاب می‌شود. می‌خواهیم فاصله افقی برخورد گلوله به زمین را برحسب متر پیدا کنیم. 2. فرمول‌ها و قوانین مهم:

1. مسئله: گلوله‌ای در بالاترین نقطه یک نیمکره به شعاع ۱۰ متر قرار دارد. حداقل سرعت اولیه افقی لازم برای پرتاب به گونه‌ای که گلوله بدون لغزش نیمکره را ترک کند، چقدر است؟ (g=10 m/s^2

1. **Problem statement:** We have a radioactive isotope Technetium-99m with a half-life of 6 hours. The initial mass is 2 grams.

1. The problem is to find the displacement for question 2 using another formula from the sheet. 2. Displacement can be found using the formula $$s = ut + \frac{1}{2}at^2$$ where:

1. **Problem 1: Signs of vectors for Marie-Philip Poulin** Given: Positive direction is toward Team USA net.

1. **State the problem:** We want to find how long it takes toy cars to travel 60 centimeters to the end of the table. 2. **Analyze the options given:**

1. **Problem 1: Sign of vectors for Marie-Philip Poulin** Given: Positive direction is toward Team USA net.

1. **Problem statement:** Determine the signs and changes of velocity, displacement, and acceleration vectors for Marie-Philip Poulin skating toward the Team USA net, with positive

1. **Problem Statement:** A student built a ramp for a model car and recorded two sets of data: the height vs. distance of the ramp and the velocity vs. time of the car.

1. **State the problem:** Meg sees a dolphin jump out of the water with an initial velocity of 30 feet per second. We want to find how long the dolphin is in the air before it spla

1. **State the problem:** We have a 40 kg weight suspended by three ropes. One rope pulls at 30 degrees from the positive x-axis, the second pulls along the negative x-axis, and th

1. **State the problem:** We have a 40 kg weight suspended by three ropes. One rope pulls at 30 degrees from the x-axis, another pulls horizontally along the x-axis, and the third

1. The problem asks for the length of one period of the intellectual cycle, which is a sine wave representing a biorhythm. 2. Biorhythm cycles are typically modeled as sine functio