🔭 physics

1. **Problem statement:** Two stations A and B are 800 m apart on a straight track. - Train 1 passes station A at $t=0$ moving towards B at 20 m/s.

1. **State the problem:** A species of goose travels 550 miles in 10 hours. We need to find its rate of movement. 2. **Formula used:** The relationship between distance, speed, and

1. **State the problem:** We have a skateboarder of mass $m_s = 74.6$ kg holding a book of mass $m_b = 2.77$ kg. The book is thrown with velocity $v_b = 3.54$ m/s at an angle $\the

1. **Problem Statement:** We have an elbow joint with a 120° angle, a forearm weight of -80 N located 14 cm from the axis of rotation, and a biceps brachii force of 433 N parallel

1. **State the problem:** A hot-air balloon rises 720 meters in 4 minutes. We need to find the rate at which it rises. 2. **Formula used:** Rate (speed) is calculated by dividing d

1. **Stating the problem:** We need to find the combined mass of Earth and Venus by performing four operations: addition, subtraction, multiplication, and division. 2. **Given data

1. **State the problem:** We need to find the combined mass of Earth and Venus by performing addition, subtraction, multiplication, and division on their masses. 2. **Given data:**

1. **Problem Statement:** We have a massless, ideal rope attached to two stationary objects making a straight line. We need to determine which statements about the tension and forc

1. **Problem statement:** Calculate the work done on a body of mass 10 kg when its velocity increases from 2 m/s to 8 m/s. 2. **Formula used:** Work done on a body is equal to the

1. **Problem statement:** A coin is placed 7.0 cm (0.07 m) from the axis of a rotating circular table. The coin begins to slide outward when the rotation rate reaches 60 revolution

1. **Stating the problem:** We are given a density of 1.1 grams per cubic centimeter and two masses: 6 kilograms and 1400 kilograms. We want to find the volume corresponding to eac

1. The problem asks to identify the forces that represent the action-reaction pair during a collision. 2. According to Newton's Third Law of Motion, for every action, there is an e

1. The problem asks: After a collision, the change in an athlete's motion is due to the application of a ___ (fill in the blank). 2. This is a physics problem related to motion and

1. **State the problem:** We need to find the pressure exerted on the floor by a solid cylinder. 2. **Given data:**

1. The problem is to find the deceleration when the coefficient of friction $f$ is 0.92. 2. The formula to calculate deceleration due to friction is $$a = f \times g$$ where $a$ is

1. **Problem statement:** A vehicle is traveling at 35 mph (56.32 kph). The driver has a perception and reaction time of 1.6 seconds. The deceleration rate during braking is 22.54

1. **Problem statement:** A bead slides without friction on a vertical circular hoop of radius $r=0.100$ m rotating at $f=4.00$ rev/s about a vertical diameter. (a) Find the angle

1. **Problem statement:** A bead slides without friction on a circular hoop of radius $r=0.100$ m rotating at $f=4.00$ rev/s about a vertical diameter. (a) Find the angle $\beta$ a

1. **Problem statement:** A bead slides without friction on a circular hoop of radius $r=0.100$ m rotating at $f=4.00$ rev/s about a vertical diameter. We need to find the angle $\

1. **State the problem:** We are given the formula $$\frac{v^2}{rg} = \tan \beta$$ and need to understand or manipulate it. 2. **Explain the formula:** This formula relates velocit

1. **Problem statement:** Calculate the amount of heat energy (in kJ) produced by a heating pad connected to a 220 V power supply, drawing a current of 0.27 A, and operating for 25