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郑圆欣


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  • CUP Challenge Master
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Solved


Converts numbers into characters
Converts numbers into characters

6 days ago

Solved


Find the max element of the array
Find the max element of the array

6 days ago

Solved


Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

6 days ago

Solved


to the 2 all elements
to the 2 all elements

6 days ago

Solved


the average value of the elements
Calculate the average value of the elements in the array

6 days ago

Solved


Double all elements in the array
Duplicate all elements in the array

6 days ago

Solved


calculate the length of matrix
input 1 array, calculate the length

6 days ago

Solved


Temperature Conversion 3
Given a temperature in Celcius, convert it to Fahrenheit.

6 days ago

Solved


Temperature Conversion 2

6 days ago

Solved


Temperature Conversion 1

6 days ago

Solved


Total energy

6 days ago

Solved


Potential energy calculation

6 days ago

Solved


Kinetic energy calculation

6 days ago

Solved


Laws of motion 1

6 days ago

Solved


Laws of motion 2

6 days ago

Solved


Laws of motion 3

6 days ago

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Laws of motion 4
Given the initial velocity 'u', final velocity 'v' and acceleration 'a', find the distance travelled.

6 days ago

Solved


Laws of motion 5
Calculate the force is u are given mass and acceleration.

6 days ago

Solved


Laws of motion 6

6 days ago

Solved


Estimating Monthly Electricity Cost for a Household Appliance
You recently bought an electric kettle for your kitchen, and you want to estimate how much it costs to run every month. The kett...

6 days ago

Solved


Voltage Divider Calculation
A voltage divider is a simple circuit used to obtain a reduced voltage from a higher voltage source using two resistors in serie...

6 days ago

Solved


LED Current Calculation
In an electrical circuit, the current (III) flowing through an LED is determined using Ohm’s Law: ​​ Where: I is the current ...

6 days ago

Solved


Inductor Energy Storage Calculation
The energy (EEE) stored in an inductor is given by the formula: Where: E is the energy in joules (J) L is the inductance in...

6 days ago

Solved


Calculate Charge Using Capacitance and Voltage
The charge (Q) stored in a capacitor is given by the formula:Q=C×V where: C is the capacitance (in farads) V is the voltage (...

6 days ago

Solved


Energy Stored in a Capacitor
The energy (E) stored in a capacitor is given by the formula: where: C is the capacitance (in farads) V is the voltage (in ...

6 days ago

Solved


Calculate Current in a Series Circuit Using KVL
Kirchhoff's Voltage Law (KVL) states that the sum of voltages around a closed loop is zero. Given a voltage source (V) and three...

6 days ago

Solved


Calculating the Total Resistance in a Series Circuit
Description: In a series circuit, the total resistance is the sum of the individual resistances. This problem asks you to write ...

6 days ago

Solved


Simple Electrical Power Calculation
Calculate the electrical power using the formula: P=V×I where: V is the voltage (in volts) I is the current (in amperes)

6 days ago

Solved


Ohm’s Law - Calculate Resistance
Ohm’s Law states that resistance R can be calculated as:R=V/I​ where: V is the voltage (in volts) I is the current (in ampere...

6 days ago

Solved


Estimating Battery Lifetime Based on Load Profile and Depth of Discharge (DoD)
In a Battery Management System (BMS), the lifetime of a battery depends on various factors, including the Depth of Discharge (Do...

6 days ago

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